diff --git a/modules/backend/behaviors/RelationController.php b/modules/backend/behaviors/RelationController.php
index de09b21fe..e9431dbe7 100644
--- a/modules/backend/behaviors/RelationController.php
+++ b/modules/backend/behaviors/RelationController.php
@@ -1176,7 +1176,7 @@ class RelationController extends ControllerBehavior
             foreach ($hyrdatedModels as $hydratedModel) {
                 $modelsToSave = $this->prepareModelsToSave($hydratedModel, $saveData);
                 foreach ($modelsToSave as $modelToSave) {
-                    $modelToSave->save();
+                    $modelToSave->save(null, $this->pivotWidget->getSessionKey());
                 }
             }
         });
@@ -1194,7 +1194,7 @@ class RelationController extends ControllerBehavior
 
         $modelsToSave = $this->prepareModelsToSave($hydratedModel, $saveData);
         foreach ($modelsToSave as $modelToSave) {
-            $modelToSave->save();
+            $modelToSave->save(null, $this->pivotWidget->getSessionKey());
         }
 
         return ['#'.$this->relationGetId('view') => $this->relationRenderView()];