diff --git a/src/Serializer.php b/src/Serializer.php
index 030d9f59d..57923b080 100644
--- a/src/Serializer.php
+++ b/src/Serializer.php
@@ -271,4 +271,12 @@ private function convertArrayObjects($data)
 
         return $data;
     }
+
+    /**
+     * @return MetadataFactoryInterface
+     */
+    public function getMetadataFactory()
+    {
+        return $this->factory;
+    }
 }