diff --git a/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php b/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
index ca811aba..067270f9 100644
--- a/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
+++ b/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
@@ -41,7 +41,7 @@ class GroupsPriceController extends ActionController
         });
 
         $this->view->assign('hotel', $hotel);
-        $this->view->assign('configs', json_encode($configs));
+        $this->view->assign('configs', json_encode(array_values($configs)));
         $this->view->assign('boards', json_encode($hotel->getGroupsPriceBoards()->toArray()));
         $this->view->assign('options', json_encode($hotel->getGroupsPriceOptions()->toArray()));
     }