diff --git a/Controller/HelperController.php b/Controller/HelperController.php
index 13c6445036..0af4707a2e 100644
--- a/Controller/HelperController.php
+++ b/Controller/HelperController.php
@@ -125,6 +125,8 @@ public function retrieveFormFieldElementAction()
             $admin->setUniqid($uniqid);
         }
 
+        $admin->setSubject($subject);
+        
         $formBuilder = $admin->getFormBuilder($subject);
 
         $form = $formBuilder->getForm();