diff --git a/src/Oro/Bundle/ActivityListBundle/Provider/ActivityListIdProvider.php b/src/Oro/Bundle/ActivityListBundle/Provider/ActivityListIdProvider.php
index d94bd2d5f7a..78f27db4711 100644
--- a/src/Oro/Bundle/ActivityListBundle/Provider/ActivityListIdProvider.php
+++ b/src/Oro/Bundle/ActivityListBundle/Provider/ActivityListIdProvider.php
@@ -168,7 +168,7 @@ private function loadListDataIds(QueryBuilder $qb, $entityClass, $entityId, $fil
             $this->getListDataIdsForInheritances($getIdsQb, $entityClass, $entityId, $filter, $pageFilter)
         );
 
-        $this->sortListDataIds($ids, $pageFilter, $orderBy);
+        $ids = $this->sortListDataIds($ids, $pageFilter, $orderBy);
 
         $numberOfUnfilteredIds = count($ids);
         if ($grouping) {