diff --git a/extensions/subscriptions/js/forum/Gulpfile.js b/extensions/subscriptions/js/forum/Gulpfile.js
index 2c0b6d96c..db3e5ff2f 100644
--- a/extensions/subscriptions/js/forum/Gulpfile.js
+++ b/extensions/subscriptions/js/forum/Gulpfile.js
@@ -1,5 +1,7 @@
 var gulp = require('flarum-gulp');
 
 gulp({
-  modulePrefix: 'subscriptions'
+  modules: {
+    'subscriptions': 'src/**/*.js'
+  }
 });