diff --git a/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6 b/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
index 378970893d7..f6c938445e2 100644
--- a/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
+++ b/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
@@ -1,4 +1,4 @@
-import NotificationLevels from 'discourse/lib/notification-levels';
+import { NotificationLevels } from 'discourse/lib/notification-levels';
 import computed from "ember-addons/ember-computed-decorators";
 import { on } from "ember-addons/ember-computed-decorators";