diff --git a/config/webpack.config.js b/config/webpack.config.js
index 768aecd2..5023e5bb 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -17,7 +17,7 @@ module.exports = {
     path: constants.DIST_DIRECTORY
   },
   plugins: [
-    new webpack.DefinePlugin({ 'process.env.NODE_ENV': 'production' }),
+    new webpack.DefinePlugin({ 'process.env.NODE_ENV': JSON.stringify('production') }),
     new webpack.optimize.DedupePlugin(),
     new webpack.optimize.OccurenceOrderPlugin(),
     new webpack.optimize.UglifyJsPlugin({