diff --git a/webpack.config.js b/webpack.config.js
index a91ac44..12ce333 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,11 +1,13 @@
 'use strict';
 
+const ENV = process.env.NODE_ENV;
+
 const webpack = require('webpack');
 const path = require('path');
 const autoprefixer = require('autoprefixer');
 
 module.exports = {
-  devtool: 'eval-source-map',
+  devtool: ENV === 'production' ? 'source-map' : 'eval-source-map',
   entry: [
     'webpack-hot-middleware/client?reload=true',
     path.join(__dirname, 'client/index.js'),
@@ -48,7 +50,7 @@ module.exports = {
     new webpack.HotModuleReplacementPlugin(),
     new webpack.DefinePlugin({
       'process.env': {
-        'NODE_ENV': JSON.stringify(process.env.NODE_ENV),
+        'NODE_ENV': JSON.stringify(ENV),
       },
     }),
   ],