diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
index 0f4ff19e5..dc5ec7582 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
@@ -150,7 +150,7 @@ class ClassMetadataFactory
                 } else {
                     foreach ($this->_loadMetadata($realClassName) as $loadedClassName) {
                         $this->_cacheDriver->save(
-                            "$loadedClassName\$CLASSMETADATA", $this->_loadedMetadata[$realClassName], null
+                            "$loadedClassName\$CLASSMETADATA", $this->_loadedMetadata[$loadedClassName], null
                         );
                     }
                 }