diff --git a/src/Repository/ElementRepository.php b/src/Repository/ElementRepository.php
index 9eb1d49b3bbb7d797a86d416fa477bc340dd8ccf..b848e694090aa91d9a575c76cdcfcf0b586d7728 100755
--- a/src/Repository/ElementRepository.php
+++ b/src/Repository/ElementRepository.php
@@ -366,7 +366,7 @@ class ElementRepository extends DocumentRepository
                 "_id" => null,
                 "allkeys" => ['$addToSet' => '$arrayofkeyvalue.k']
             ]]
-        ]);
+            ], ['cursor' => true]);
         return $result['result'][0]['allkeys'] ?? [];
     }