diff --git a/webpack.config.prod.js b/webpack.config.prod.js
index 0dc51e6cc..f3e0b0dfa 100644
--- a/webpack.config.prod.js
+++ b/webpack.config.prod.js
@@ -2,6 +2,7 @@
 var path = require('path');
 var webpack = require('webpack');
 var HtmlWebpackPlugin = require('html-webpack-plugin');
+var ExtractTextPlugin = require('extract-text-webpack-plugin');
 
 commonWebpackConfig = require('./webpack.config');