diff --git a/webpack.config.js b/webpack.config.js
index 09c36561..8d66b1a9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -71,6 +71,7 @@ let config = {
 
 if (process.env.NODE_ENV === "production") {
 	config.plugins.push(new webpack.optimize.UglifyJsPlugin({
+		sourceMap: true,
 		comments: false
 	}));
 } else {