diff --git a/webpack/webpack.prod.conf.js b/webpack/webpack.prod.conf.js
index a84b323..68dc83f 100644
--- a/webpack/webpack.prod.conf.js
+++ b/webpack/webpack.prod.conf.js
@@ -3,6 +3,7 @@ const NgAnnotatePlugin = require('ng-annotate-webpack-plugin');
 
 var conf = baseWebpackConfig;
 conf.mode = 'production';
+conf.devtool = 'source-map';
 conf.plugins.push(new NgAnnotatePlugin());
 
 module.exports = baseWebpackConfig;