diff --git a/webpack.config.js b/webpack.config.js
index 5f00785a89..6b01c93de3 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -179,6 +179,7 @@ const config = {
                 terserOptions: {
                     safari10: true,
                 },
+                sourceMap: true,
             }),
         ],
     },