diff --git a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6 b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
index e361a7b..12e5886 100644
--- a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
+++ b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
@@ -274,6 +274,8 @@ function initialize(api) {
   });
 
   api.modifyClass("model:group", {
+    pluginId: PLUGIN_ID,
+
     asJSON() {
       return Object.assign({}, this._super(...arguments), {
         assignable_level: this.assignable_level,