diff --git a/framework/core/src/Api/Controller/ListUsersController.php b/framework/core/src/Api/Controller/ListUsersController.php
index b04b17233..d37e191f9 100644
--- a/framework/core/src/Api/Controller/ListUsersController.php
+++ b/framework/core/src/Api/Controller/ListUsersController.php
@@ -36,10 +36,10 @@ class ListUsersController extends AbstractListController
      */
     public $sortFields = [
         'username',
-        'commentsCount',
-        'discussionsCount',
-        'lastSeenTime',
-        'joinTime'
+        'commentCount',
+        'discussionCount',
+        'lastSeenAt',
+        'joinedAt'
     ];
 
     /**