diff --git a/webpack.prod.js b/webpack.prod.js
index 1eab9fedf5..264f765610 100644
--- a/webpack.prod.js
+++ b/webpack.prod.js
@@ -5,7 +5,7 @@ const common = require('./webpack.common.js');
 const webpack = require('webpack');
 
 const extractLess = new ExtractTextPlugin({
-    filename: 'popup/css/[name].css',
+    filename: '[name].css',
     disable: false,
     allChunks: true
 });