diff --git a/extensions/mentions/js/forum/Gulpfile.js b/extensions/mentions/js/forum/Gulpfile.js
index baf078fb6..15f00f213 100644
--- a/extensions/mentions/js/forum/Gulpfile.js
+++ b/extensions/mentions/js/forum/Gulpfile.js
@@ -1,7 +1,9 @@
 var gulp = require('flarum-gulp');
 
 gulp({
-  modulePrefix: 'mentions',
+  modules: {
+    'mentions': 'src/**/*.js'
+  },
   files: [
     'bower_components/textarea-caret-position/index.js'
   ]