diff --git a/src/Controller/Admin/DataObject/ClassController.php b/src/Controller/Admin/DataObject/ClassController.php
index b0c07b486..ffa8fcf76 100644
--- a/src/Controller/Admin/DataObject/ClassController.php
+++ b/src/Controller/Admin/DataObject/ClassController.php
@@ -1256,7 +1256,9 @@ public function objectbrickTreeAction(Request $request, EventDispatcherInterface
             }
         }
 
+        usort($groups, static fn ($a, $b) => $a['text'] <=> $b['text']);
         foreach ($groups as $group) {
+            usort($group['children'], static fn ($a, $b) => $a['title'] <=> $b['title']);
             $definitions[] = $group;
         }