diff --git a/app/assets/javascripts/admin/controllers/modals/admin-edit-badge-groupings.js.es6 b/app/assets/javascripts/admin/controllers/modals/admin-edit-badge-groupings.js.es6
index fe0416bc307..4c53ba68d87 100644
--- a/app/assets/javascripts/admin/controllers/modals/admin-edit-badge-groupings.js.es6
+++ b/app/assets/javascripts/admin/controllers/modals/admin-edit-badge-groupings.js.es6
@@ -1,5 +1,7 @@
 import { ajax } from 'discourse/lib/ajax';
-export default Ember.Controller.extend({
+import ModalFunctionality from 'discourse/mixins/modal-functionality';
+
+export default Ember.Controller.extend(ModalFunctionality, {
 
   modelChanged: function(){
     const model = this.get('model');