diff --git a/tests/Doctrine/Tests/OrmFunctionalTestCase.php b/tests/Doctrine/Tests/OrmFunctionalTestCase.php
index 48f9bbdb3..ae9f4b43b 100644
--- a/tests/Doctrine/Tests/OrmFunctionalTestCase.php
+++ b/tests/Doctrine/Tests/OrmFunctionalTestCase.php
@@ -501,8 +501,8 @@ abstract class OrmFunctionalTestCase extends OrmTestCase
         }
 
         if (isset($this->_usedModelSets['custom_id_object_type'])) {
-            $conn->executeUpdate('DELETE FROM custom_id_type_parent');
             $conn->executeUpdate('DELETE FROM custom_id_type_child');
+            $conn->executeUpdate('DELETE FROM custom_id_type_parent');
         }
 
         $this->_em->clear();