diff --git a/src/Bundle/ChillMainBundle/Test/Export/AbstractAggregatorTest.php b/src/Bundle/ChillMainBundle/Test/Export/AbstractAggregatorTest.php
index 38f80200d..d3f2849b7 100644
--- a/src/Bundle/ChillMainBundle/Test/Export/AbstractAggregatorTest.php
+++ b/src/Bundle/ChillMainBundle/Test/Export/AbstractAggregatorTest.php
@@ -63,6 +63,18 @@ abstract class AbstractAggregatorTest extends KernelTestCase
         }
     }
 
+    /**
+     * provide data for `testAliasDidNotDisappears`.
+     */
+    public function dataProviderAliasDidNotDisappears()
+    {
+        foreach ($this->getQueryBuilders() as $qb) {
+            foreach ($this->getFormData() as $data) {
+                yield [clone $qb, $data];
+            }
+        }
+    }
+
     /**
      * Create an aggregator instance which will be used in tests.
      *
@@ -257,4 +269,29 @@ abstract class AbstractAggregatorTest extends KernelTestCase
             'test that the title is not empty'
         );
     }
+
+    /**
+     * Compare aliases array before and after that aggregator alter query
+     *
+     * @dataProvider dataProviderAliasDidNotDisappears
+     *
+     * @param QueryBuilder $qb
+     * @param array $data
+     * @return void
+     */
+    public function testAliasDidNotDisappears(QueryBuilder $qb, array $data)
+    {
+        $aliases = $qb->getAllAliases();
+
+        $this->getAggregator()->alterQuery($qb, $data);
+
+        $alteredQuery = $qb->getAllAliases();
+
+        $this->assertGreaterThanOrEqual(count($aliases), count($alteredQuery));
+
+        foreach ($aliases as $alias) {
+            $this->assertContains($alias, $alteredQuery);
+        }
+    }
+
 }
diff --git a/src/Bundle/ChillMainBundle/Test/Export/AbstractFilterTest.php b/src/Bundle/ChillMainBundle/Test/Export/AbstractFilterTest.php
index 88607e7d9..8e8220b89 100644
--- a/src/Bundle/ChillMainBundle/Test/Export/AbstractFilterTest.php
+++ b/src/Bundle/ChillMainBundle/Test/Export/AbstractFilterTest.php
@@ -56,6 +56,18 @@ abstract class AbstractFilterTest extends KernelTestCase
         }
     }
 
+    /**
+     * provide data for `testAliasDidNotDisappears`.
+     */
+    public function dataProviderAliasDidNotDisappears()
+    {
+        foreach ($this->getQueryBuilders() as $qb) {
+            foreach ($this->getFormData() as $data) {
+                yield [clone $qb, $data];
+            }
+        }
+    }
+
     /**
      * Create a filter which will be used in tests.
      *
@@ -199,4 +211,28 @@ abstract class AbstractFilterTest extends KernelTestCase
             'test that the title is not empty'
         );
     }
+
+    /**
+     * Compare aliases array before and after that filter alter query
+     *
+     * @dataProvider dataProviderAliasDidNotDisappears
+     *
+     * @param QueryBuilder $qb
+     * @param array $data
+     * @return void
+     */
+    public function testAliasDidNotDisappears(QueryBuilder $qb, array $data)
+    {
+        $aliases = $qb->getAllAliases();
+
+        $this->getFilter()->alterQuery($qb, $data);
+
+        $alteredQuery = $qb->getAllAliases();
+
+        $this->assertGreaterThanOrEqual(count($aliases), count($alteredQuery));
+
+        foreach ($aliases as $alias) {
+            $this->assertContains($alias, $alteredQuery);
+        }
+    }
 }