diff --git a/app/src/Controller/AttributeGroupsController.php b/app/src/Controller/AttributeGroupsController.php
index 9949ba460..ebc3ea5ab 100644
--- a/app/src/Controller/AttributeGroupsController.php
+++ b/app/src/Controller/AttributeGroupsController.php
@@ -48,7 +48,7 @@ class AttributeGroupsController extends StandardController {
   public function isAuthorized(Array $user) {
     $platformAdmin = $this->Authorization->isPlatformAdmin($user['username']);
     
-    $mgAdmin = $this->Authorization->isMatchAdmin($user['username'], $this->mgid);
+    $mgAdmin = $this->Authorization->isMatchAdmin($user['username'], $this->cur_mg->id);
     
     $p = [
       'add'       => $platformAdmin || $mgAdmin,