diff --git a/assets/javascripts/wizard-custom.js b/assets/javascripts/wizard-custom.js
index c88cf204..0ff181d0 100644
--- a/assets/javascripts/wizard-custom.js
+++ b/assets/javascripts/wizard-custom.js
@@ -40,9 +40,12 @@
 //= require discourse/app/lib/load-oneboxes
 
 //= require discourse/app/mixins/singleton
+//= require discourse/app/mixins/upload
 
 //= require discourse/app/adapters/rest
 
+//= require message-bus
+
 //= require discourse/app/models/login-method
 //= require discourse/app/models/permission-type
 //= require discourse/app/models/archetype
diff --git a/assets/javascripts/wizard/initializers/custom.js.es6 b/assets/javascripts/wizard/initializers/custom.js.es6
index 89bcf91c..dc1b400e 100644
--- a/assets/javascripts/wizard/initializers/custom.js.es6
+++ b/assets/javascripts/wizard/initializers/custom.js.es6
@@ -28,7 +28,7 @@ export default {
     const RestAdapter = requirejs("discourse/adapters/rest").default;
     const Session = requirejs("discourse/models/session").default;
     const setDefaultOwner = requirejs("discourse-common/lib/get-owner").setDefaultOwner;
-
+    const messageBus = requirejs('message-bus-client').default;
     const container = app.__container__;
     Discourse.Model = EmberObject.extend();
     Discourse.__container__ = container;
@@ -62,7 +62,10 @@ export default {
     app.register("site-settings:main", siteSettings, { instantiate: false });
     createHelperContext({ siteSettings });
     targets.forEach(t => app.inject(t, "siteSettings", "site-settings:main"));
-    
+
+    app.register("message-bus:main", messageBus, { instantiate: false });
+    targets.forEach(t => app.inject(t, "messageBus", "message-bus:main"));
+
     app.register("service:store", Store);
     targets.forEach(t => app.inject(t, "store", "service:store"));
     targets.forEach(t => app.inject(t, "appEvents", "service:app-events"));