diff --git a/lib/Doctrine/ORM/Cache/Persister/AbstractEntityPersister.php b/lib/Doctrine/ORM/Cache/Persister/AbstractEntityPersister.php
index de0d9e7cf..1a3e48ec5 100644
--- a/lib/Doctrine/ORM/Cache/Persister/AbstractEntityPersister.php
+++ b/lib/Doctrine/ORM/Cache/Persister/AbstractEntityPersister.php
@@ -190,8 +190,8 @@ abstract class AbstractEntityPersister implements CachedEntityPersister
 
     /**
      * {@inheritdoc}
-     * @param object $entity
-     * @param array $extraConditions
+     * @param object         $entity
+     * @param array|Criteria $extraConditions
      * @return bool
      */
     public function exists($entity, $extraConditions = array())