diff --git a/extensions/markdown/js/forum/Gulpfile.js b/extensions/markdown/js/forum/Gulpfile.js
index 4d1dd14f6..f37a77a58 100644
--- a/extensions/markdown/js/forum/Gulpfile.js
+++ b/extensions/markdown/js/forum/Gulpfile.js
@@ -1,5 +1,7 @@
 var gulp = require('flarum-gulp');
 
 gulp({
-  modulePrefix: 'markdown'
+  modules: {
+    'markdown': 'src/**/*.js'
+  }
 });