diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
index 64e519ec881..db1b360833f 100644
--- a/packages/react-scripts/config/webpack.config.prod.js
+++ b/packages/react-scripts/config/webpack.config.prod.js
@@ -194,6 +194,7 @@ module.exports = {
                   options: {
                     importLoaders: 1,
                     minimize: true,
+                    sourceMap: true,
                   },
                 },
                 {