diff --git a/lib/Doctrine/ORM/Tools/SchemaValidator.php b/lib/Doctrine/ORM/Tools/SchemaValidator.php
index 2ddd0bf66..2c0bd94ff 100644
--- a/lib/Doctrine/ORM/Tools/SchemaValidator.php
+++ b/lib/Doctrine/ORM/Tools/SchemaValidator.php
@@ -246,6 +246,6 @@ class SchemaValidator
         $schemaTool = new SchemaTool($this->em);
 
         $allMetadata = $this->em->getMetadataFactory()->getAllMetadata();
-        return (count($schemaTool->getUpdateSchemaSql($allMetadata, false)) == 0);
+        return (count($schemaTool->getUpdateSchemaSql($allMetadata, true)) == 0);
     }
 }