diff --git a/extensions/pusher/js/admin/dist/extension.js b/extensions/pusher/js/admin/dist/extension.js
index 9c530d2bc..60c0c8e75 100644
--- a/extensions/pusher/js/admin/dist/extension.js
+++ b/extensions/pusher/js/admin/dist/extension.js
@@ -14,7 +14,7 @@ System.register('flarum/pusher/components/PusherSettingsModal', ['flarum/compone
 
         function PusherSettingsModal() {
           babelHelpers.classCallCheck(this, PusherSettingsModal);
-          return babelHelpers.possibleConstructorReturn(this, Object.getPrototypeOf(PusherSettingsModal).apply(this, arguments));
+          return babelHelpers.possibleConstructorReturn(this, (PusherSettingsModal.__proto__ || Object.getPrototypeOf(PusherSettingsModal)).apply(this, arguments));
         }
 
         babelHelpers.createClass(PusherSettingsModal, [{
diff --git a/extensions/pusher/js/forum/dist/extension.js b/extensions/pusher/js/forum/dist/extension.js
index fe32cd086..20a331579 100644
--- a/extensions/pusher/js/forum/dist/extension.js
+++ b/extensions/pusher/js/forum/dist/extension.js
@@ -6,8 +6,6 @@ System.register('flarum/pusher/main', ['flarum/extend', 'flarum/app', 'flarum/co
   var extend, app, DiscussionList, DiscussionPage, IndexPage, Button;
   return {
     setters: [function (_flarumExtend) {
-      /*global Pusher*/
-
       extend = _flarumExtend.extend;
     }, function (_flarumApp) {
       app = _flarumApp.default;
@@ -21,6 +19,7 @@ System.register('flarum/pusher/main', ['flarum/extend', 'flarum/app', 'flarum/co
       Button = _flarumComponentsButton.default;
     }],
     execute: function () {
+      /*global Pusher*/
 
       app.initializers.add('flarum-pusher', function () {
         var loadPusher = m.deferred();