diff --git a/src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityTypeAggregator.php b/src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityTypeAggregator.php
index d318d969a..f31e2e73f 100644
--- a/src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityTypeAggregator.php
+++ b/src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityTypeAggregator.php
@@ -44,8 +44,8 @@ class ActivityTypeAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        if (!in_array('type', $qb->getAllAliases(), true)) {
-            $qb->join('activity.activityType', 'type');
+        if (!in_array('aty', $qb->getAllAliases(), true)) {
+            $qb->join('activity.activityType', 'aty');
         }
 
         $qb->addSelect(sprintf('IDENTITY(activity.activityType) AS %s', self::KEY));
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/AdministrativeLocationAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/AdministrativeLocationAggregator.php
index a1cf7160b..13185c2a2 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/AdministrativeLocationAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/AdministrativeLocationAggregator.php
@@ -39,7 +39,9 @@ class AdministrativeLocationAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.administrativeLocation', 'al');
+        if (!in_array('acploc', $qb->getAllAliases(), true)) {
+            $qb->join('acp.administrativeLocation', 'acploc');
+        }
 
         $qb->addSelect('IDENTITY(acp.administrativeLocation) AS location_aggregator');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ClosingMotiveAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ClosingMotiveAggregator.php
index b0f8f98f0..033ba4365 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ClosingMotiveAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ClosingMotiveAggregator.php
@@ -40,7 +40,9 @@ class ClosingMotiveAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.closingMotive', 'cm');
+        if (!in_array('acpmotive', $qb->getAllAliases(), true)) {
+            $qb->join('acp.closingMotive', 'acpmotive');
+        }
 
         $qb->addSelect('IDENTITY(acp.closingMotive) AS closingmotive_aggregator');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EvaluationAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EvaluationAggregator.php
index 96c63b9cf..120506aae 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EvaluationAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EvaluationAggregator.php
@@ -43,9 +43,12 @@ final class EvaluationAggregator implements AggregatorInterface
         if (!in_array('acpw', $qb->getAllAliases(), true)) {
             $qb->join('acp.works', 'acpw');
         }
-        $qb->join('acpw.accompanyingPeriodWorkEvaluations', 'we');
 
-        $qb->addSelect('IDENTITY(we.evaluation) AS evaluation_aggregator');
+        if (!in_array('workeval', $qb->getAllAliases(), true)) {
+            $qb->join('acpw.accompanyingPeriodWorkEvaluations', 'workeval');
+        }
+
+        $qb->addSelect('IDENTITY(workeval.evaluation) AS evaluation_aggregator');
 
         $groupby = $qb->getDQLPart('groupBy');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/JobAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/JobAggregator.php
index 6443cc02e..7634ea37f 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/JobAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/JobAggregator.php
@@ -39,7 +39,9 @@ final class JobAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.job', 'j');
+        if (!in_array('acpjob', $qb->getAllAliases(), true)) {
+            $qb->join('acp.job', 'acpjob');
+        }
 
         $qb->addSelect('IDENTITY(acp.job) AS job_aggregator');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/OriginAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/OriginAggregator.php
index b98edae32..4c784e08d 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/OriginAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/OriginAggregator.php
@@ -41,7 +41,9 @@ final class OriginAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.origin', 'o');
+        if (!in_array('acporigin', $qb->getAllAliases(), true)) {
+            $qb->join('acp.origin', 'acporigin');
+        }
 
         $qb->addSelect('o.id AS origin_aggregator');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerAggregator.php
index a1df6b559..22eca6f76 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerAggregator.php
@@ -39,9 +39,11 @@ final class ReferrerAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.user', 'u');
+        if (!in_array('acpuser', $qb->getAllAliases(), true)) {
+            $qb->join('acp.user', 'acpuser');
+        }
 
-        $qb->addSelect('u.id AS referrer_aggregator');
+        $qb->addSelect('acpuser.id AS referrer_aggregator');
 
         $groupBy = $qb->getDQLPart('groupBy');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/RequestorAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/RequestorAggregator.php
index 26d5fad53..80195bdcc 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/RequestorAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/RequestorAggregator.php
@@ -35,8 +35,8 @@ final class RequestorAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        if (!in_array('part', $qb->getAllAliases(), true)) {
-            $qb->join('acp.participations', 'part');
+        if (!in_array('acppart', $qb->getAllAliases(), true)) {
+            $qb->join('acp.participations', 'acppart');
         }
 
         $qb->addSelect("
@@ -44,7 +44,7 @@ final class RequestorAggregator implements AggregatorInterface
                 WHEN acp.requestorPerson IS NOT NULL
                 THEN
                     ( CASE
-                        WHEN acp.requestorPerson = part.person
+                        WHEN acp.requestorPerson = acppart.person
                         THEN 'is person concerned'
                         ELSE 'is other person'
                     END )
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ScopeAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ScopeAggregator.php
index c7b3142f2..5b2901921 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ScopeAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ScopeAggregator.php
@@ -39,9 +39,11 @@ final class ScopeAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.scopes', 's');
+        if (!in_array('acpscope', $qb->getAllAliases(), true)) {
+            $qb->join('acp.scopes', 'acpscope');
+        }
 
-        $qb->addSelect('s.id as scope_aggregator');
+        $qb->addSelect('acpscope.id as scope_aggregator');
 
         $groupBy = $qb->getDQLPart('groupBy');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialIssueAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialIssueAggregator.php
index 7cb726673..ac5ac94c0 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialIssueAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialIssueAggregator.php
@@ -39,8 +39,11 @@ final class SocialIssueAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.socialIssues', 'si');
-        $qb->addSelect('si.id as socialissue_aggregator');
+        if (!in_array('acpsocialissue', $qb->getAllAliases(), true)) {
+            $qb->join('acp.socialIssues', 'acpsocialissue');
+        }
+        
+        $qb->addSelect('acpsocialissue.id as socialissue_aggregator');
 
         $groupBy = $qb->getDQLPart('groupBy');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/HouseholdPositionAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/HouseholdPositionAggregator.php
index ea94e891b..b63d3842f 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/HouseholdPositionAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/HouseholdPositionAggregator.php
@@ -46,22 +46,27 @@ final class HouseholdPositionAggregator implements AggregatorInterface, ExportEl
     public function alterQuery(QueryBuilder $qb, $data)
     {
         $qb->resetDQLPart('from');
-        $qb->from(HouseholdMember::class, 'hm');
+        $qb->from(HouseholdMember::class, 'member');
 
-        $qb->join('hm.person', 'person');
-        $qb->join('person.center', 'center');
+        if (!in_array('person', $qb->getAllAliases(), true)) {
+            $qb->join('member.person', 'person');
+        }
+
+        if (!in_array('center', $qb->getAllAliases(), true)) {
+            $qb->join('person.center', 'center');
+        }
 
         $qb->andWhere($qb->expr()->andX(
-            $qb->expr()->lte('hm.startDate', ':date'),
+            $qb->expr()->lte('member.startDate', ':date'),
             $qb->expr()->orX(
-                $qb->expr()->isNull('hm.endDate'),
-                $qb->expr()->gte('hm.endDate', ':date')
+                $qb->expr()->isNull('member.endDate'),
+                $qb->expr()->gte('member.endDate', ':date')
             )
         ));
 
         $qb->setParameter('date', $data['date_position']);
 
-        $qb->addSelect('IDENTITY(hm.position) AS household_position_aggregator');
+        $qb->addSelect('IDENTITY(member.position) AS household_position_aggregator');
 
         $groupBy = $qb->getDQLPart('groupBy');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Export/CountEvaluation.php b/src/Bundle/ChillPersonBundle/Export/Export/CountEvaluation.php
index e931a1a42..5b2ab65eb 100644
--- a/src/Bundle/ChillPersonBundle/Export/Export/CountEvaluation.php
+++ b/src/Bundle/ChillPersonBundle/Export/Export/CountEvaluation.php
@@ -88,11 +88,17 @@ class CountEvaluation implements ExportInterface, GroupedExportInterface
 
     public function initiateQuery(array $requiredModifiers, array $acl, array $data = [])
     {
-        $qb = $this->repository->createQueryBuilder('acp')
-            ->join('acp.works', 'acpw')
-            ->join('acpw.accompanyingPeriodWorkEvaluations', 'eval');
+        $qb = $this->repository->createQueryBuilder('acp');
 
-        $qb->select('COUNT(eval.id) AS export_result');
+        if (!in_array('acpw', $qb->getAllAliases(), true)) {
+            $qb->join('acp.works', 'acpw');
+        }
+
+        if (!in_array('workeval', $qb->getAllAliases(), true)) {
+            $qb->join('acpw.accompanyingPeriodWorkEvaluations', 'workeval');
+        }
+
+        $qb->select('COUNT(workeval.id) AS export_result');
 
         return $qb;
     }
diff --git a/src/Bundle/ChillPersonBundle/Export/Export/CountHousehold.php b/src/Bundle/ChillPersonBundle/Export/Export/CountHousehold.php
index a79c1c00e..f60f66310 100644
--- a/src/Bundle/ChillPersonBundle/Export/Export/CountHousehold.php
+++ b/src/Bundle/ChillPersonBundle/Export/Export/CountHousehold.php
@@ -88,13 +88,26 @@ class CountHousehold implements ExportInterface, GroupedExportInterface
 
     public function initiateQuery(array $requiredModifiers, array $acl, array $data = [])
     {
-        $qb = $this->repository->createQueryBuilder('acp')
-            ->join('acp.participations', 'acppart')
-            ->join('acppart.person', 'person')
-            ->join('person.householdParticipations', 'householdmember')
-            ->join('householdmember.household', 'household');
+        $qb = $this->repository->createQueryBuilder('acp');
 
-        $qb->select('COUNT(DISTINCT householdmember.household) AS export_result');
+        if (!in_array('acppart', $qb->getAllAliases(), true)) {
+            $qb->join('acp.participations', 'acppart');
+        }
+
+        if (!in_array('partperson', $qb->getAllAliases(), true)) {
+            $qb->join('acppart.person', 'partperson');
+        }
+
+        if (!in_array('member', $qb->getAllAliases(), true)) {
+            $qb->join('partperson.householdParticipations', 'member');
+        }
+
+        if (!in_array('household', $qb->getAllAliases(), true)) {
+            $qb->join('member.household', 'household');
+        }
+
+
+        $qb->select('COUNT(DISTINCT member.household) AS export_result');
 
         return $qb;
     }
diff --git a/src/Bundle/ChillPersonBundle/Export/Export/CountPersonWithAccompanyingCourse.php b/src/Bundle/ChillPersonBundle/Export/Export/CountPersonWithAccompanyingCourse.php
index 4de0eb191..800023fc5 100644
--- a/src/Bundle/ChillPersonBundle/Export/Export/CountPersonWithAccompanyingCourse.php
+++ b/src/Bundle/ChillPersonBundle/Export/Export/CountPersonWithAccompanyingCourse.php
@@ -88,11 +88,17 @@ class CountPersonWithAccompanyingCourse implements ExportInterface, GroupedExpor
 
     public function initiateQuery(array $requiredModifiers, array $acl, array $data = [])
     {
-        $qb = $this->repository->createQueryBuilder('acp')
-            ->join('acp.participations', 'acppart')
-            ->join('acppart.person', 'person');
+        $qb = $this->repository->createQueryBuilder('acp');
 
-        $qb->select('COUNT(DISTINCT person.id) AS export_result');
+        if (!in_array('acppart', $qb->getAllAliases(), true)) {
+            $qb->join('acp.participations', 'acppart');
+        }
+
+        if (!in_array('partperson', $qb->getAllAliases(), true)) {
+            $qb->join('acppart.person', 'partperson');
+        }
+
+        $qb->select('COUNT(DISTINCT partperson.id) AS export_result');
 
         return $qb;
     }
diff --git a/src/Bundle/ChillPersonBundle/Export/Export/CountSocialWorkActions.php b/src/Bundle/ChillPersonBundle/Export/Export/CountSocialWorkActions.php
index 1a856e23d..17de7e5ae 100644
--- a/src/Bundle/ChillPersonBundle/Export/Export/CountSocialWorkActions.php
+++ b/src/Bundle/ChillPersonBundle/Export/Export/CountSocialWorkActions.php
@@ -90,8 +90,11 @@ class CountSocialWorkActions implements ExportInterface, GroupedExportInterface
 
     public function initiateQuery(array $requiredModifiers, array $acl, array $data = []): QueryBuilder
     {
-        $qb = $this->repository->createQueryBuilder('acp')
-            ->join('acp.works', 'acpw');
+        $qb = $this->repository->createQueryBuilder('acp');
+
+        if (!in_array('acpw', $qb->getAllAliases(), true)) {
+            $qb->join('acp.works', 'acpw');
+        }
 
         $qb->select('COUNT(acpw.id) as export_result');
 
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ActivityTypeFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ActivityTypeFilter.php
index 845b318b9..2659172a4 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ActivityTypeFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ActivityTypeFilter.php
@@ -43,11 +43,11 @@ class ActivityTypeFilter implements FilterInterface
         // we replace indicator 'from' clause by 'act', and put 'acp' in a join
 
         $qb->resetDQLPart('from');
-        $qb->from('ChillActivityBundle:Activity', 'act');
+        $qb->from('ChillActivityBundle:Activity', 'activity');
 
         $qb
-            ->join('act.accompanyingPeriod', 'acp')
-            ->join('act.activityType', 'aty');
+            ->join('activity.accompanyingPeriod', 'acp')
+            ->join('activity.activityType', 'aty');
 
         $where = $qb->getDQLPart('where');
         $clause = $qb->expr()->in('aty.id', ':activitytypes');
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/CurrentUserScopeFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/CurrentUserScopeFilter.php
index cbbd9bef5..569146614 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/CurrentUserScopeFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/CurrentUserScopeFilter.php
@@ -42,10 +42,12 @@ class CurrentUserScopeFilter implements FilterInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.scopes', 's');
+        if (!in_array('acpscope', $qb->getAllAliases(), true)) {
+            $qb->join('acp.scopes', 'acpscope');
+        }
 
         $where = $qb->getDQLPart('where');
-        $clause = $qb->expr()->eq('s.id', ':userscope');
+        $clause = $qb->expr()->eq('acpscope.id', ':userscope');
 
         if ($where instanceof Andx) {
             $where->add($clause);
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EvaluationFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EvaluationFilter.php
index 7df43a06f..c04d5bcd0 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EvaluationFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EvaluationFilter.php
@@ -37,13 +37,20 @@ class EvaluationFilter implements FilterInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb
-            ->join('acp.works', 'acpw')
-            ->join('acpw.accompanyingPeriodWorkEvaluations', 'we')
-            ->join('we.evaluation', 'ev');
+        if (!in_array('acpw', $qb->getAllAliases(), true)) {
+            $qb->join('acp.works', 'acpw');
+        }
+
+        if (!in_array('workeval', $qb->getAllAliases(), true)) {
+            $qb->join('acpw.accompanyingPeriodWorkEvaluations', 'workeval');
+        }
+
+        if (!in_array('eval', $qb->getAllAliases(), true)) {
+            $qb->join('workeval.evaluation', 'eval');
+        }
 
         $where = $qb->getDQLPart('where');
-        $clause = $qb->expr()->in('ev.id', ':evaluations');
+        $clause = $qb->expr()->in('eval.id', ':evaluations');
 
         if ($where instanceof Andx) {
             $where->add($clause);
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/RequestorFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/RequestorFilter.php
index 6bcf359ae..c0338b42e 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/RequestorFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/RequestorFilter.php
@@ -55,11 +55,14 @@ final class RequestorFilter implements FilterInterface
 
         switch ($data['accepted_choices']) {
             case 'participation':
-                $qb->join('acp.participations', 'part');
+
+                if (!in_array('acppart', $qb->getAllAliases(), true)) {
+                    $qb->join('acp.participations', 'acppart');
+                }
 
                 $clause = $qb->expr()->andX(
                     $qb->expr()->isNotNull('acp.requestorPerson'),
-                    $qb->expr()->eq('acp.requestorPerson', 'part.person')
+                    $qb->expr()->eq('acp.requestorPerson', 'acppart.person')
                 );
 
                 break;
@@ -67,7 +70,9 @@ final class RequestorFilter implements FilterInterface
             case 'other_person':
                 $expr = $this->em->getExpressionBuilder();
 
-                $qb->join('acp.participations', 'part');
+                if (!in_array('acppart', $qb->getAllAliases(), true)) {
+                    $qb->join('acp.participations', 'acppart');
+                }
 
                 $clause = $expr->andX(
                     $expr->isNotNull('acp.requestorPerson'),
@@ -76,10 +81,10 @@ final class RequestorFilter implements FilterInterface
 
                         // subquery
                         $this->em->createQueryBuilder()
-                            ->select('identity(acp2.requestorPerson)')
                             ->from('ChillPersonBundle:AccompanyingPeriod', 'acp2')
-                            ->join('acp2.participations', 'part2')
-                            ->where($expr->eq('acp2.requestorPerson', 'part2.person'))
+                            ->join('acp2.participations', 'acppart2')
+                            ->select('identity(acp2.requestorPerson)')
+                            ->where($expr->eq('acp2.requestorPerson', 'acppart2.person'))
                             ->getDQL()
                     )
                 );
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialActionFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialActionFilter.php
index 50889225c..c0eb98513 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialActionFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialActionFilter.php
@@ -46,7 +46,10 @@ class SocialActionFilter implements FilterInterface
         if (!in_array('acpw', $qb->getAllAliases(), true)) {
             $qb->join('acp.works', 'acpw');
         }
-        $qb->join('acpw.socialAction', 'sa');
+
+        if (!in_array('acpw', $qb->getAllAliases(), true)) {
+            $qb->join('acpw.socialAction', 'sa');
+        }
 
         $where = $qb->getDQLPart('where');
         $clause = $qb->expr()->in('sa.id', ':socialactions');
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialIssueFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialIssueFilter.php
index fdcb15ee7..ad232d7c2 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialIssueFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/SocialIssueFilter.php
@@ -50,10 +50,12 @@ class SocialIssueFilter implements FilterInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->join('acp.socialIssues', 'si');
+        if (!in_array('acpsocialissue', $qb->getAllAliases(), true)) {
+            $qb->join('acp.socialIssues', 'acpsocialissue');
+        }
 
         $where = $qb->getDQLPart('where');
-        $clause = $qb->expr()->in('si.id', ':socialissues');
+        $clause = $qb->expr()->in('acpsocialissue.id', ':socialissues');
 
         if ($where instanceof Andx) {
             $where->add($clause);