diff --git a/src/Bundle/ChillReportBundle/Timeline/TimelineReportProvider.php b/src/Bundle/ChillReportBundle/Timeline/TimelineReportProvider.php
index a0e77bbaa..448232e4f 100644
--- a/src/Bundle/ChillReportBundle/Timeline/TimelineReportProvider.php
+++ b/src/Bundle/ChillReportBundle/Timeline/TimelineReportProvider.php
@@ -87,8 +87,7 @@ class TimelineReportProvider implements TimelineProviderInterface
         $report = $this->em->getClassMetadata(Report::class);
         $person = $this->em->getClassMetadata(Person::class);
         $role = new Role('CHILL_REPORT_SEE');
-        $reachableCenters = $this->helper->getReachableCenters($this->security->getUser(),
-                $role);
+        $reachableCenters = $this->helper->getReachableCenters($this->security->getUser(), $role->getRole());
         $reportPersonId = $report->getAssociationMapping('person')['joinColumns'][0]['name'];
         $reportScopeId = $report->getAssociationMapping('scope')['joinColumns'][0]['name'];
         $personCenterId = $person->getAssociationMapping('center')['joinColumns'][0]['name'];
@@ -111,8 +110,7 @@ class TimelineReportProvider implements TimelineProviderInterface
             $parameters[] = $center->getId();
             // loop over scopes
             $scopeIds = [];
-            foreach ($this->helper->getReachableScopes($this->security->getUser(),
-                $role, $center) as $scope) {
+            foreach ($this->helper->getReachableScopes($this->security->getUser(), $role->getRole(), $center) as $scope) {
                 if (\in_array($scope->getId(), $scopeIds)) {
                     continue;
                 }
@@ -158,8 +156,7 @@ class TimelineReportProvider implements TimelineProviderInterface
         // this is the final clause  that we are going to fill
         $clause = "{report}.{person_id} = ? AND {report}.{scopes_id} IN ({scopes_ids})";
         // iterate over reachable scopes
-        $scopes = $this->helper->getReachableScopes($this->security->getUser(), $role,
-            $args['person']->getCenter());
+        $scopes = $this->helper->getReachableScopes($this->security->getUser(), $role->getRole(), $args['person']->getCenter());
 
         foreach ($scopes as $scope) {
             if (\in_array($scope->getId(), $parameters)) {