diff --git a/lib/install/webpack/webpack.config.js b/lib/install/webpack/webpack.config.js
index cffbae5..ba2f173 100644
--- a/lib/install/webpack/webpack.config.js
+++ b/lib/install/webpack/webpack.config.js
@@ -9,7 +9,7 @@ module.exports = {
   },
   output: {
     filename: "[name].js",
-    sourceMapFilename: "[name].js.map",
+    sourceMapFilename: "[file].map",
     path: path.resolve(__dirname, "app/assets/builds"),
   },
   plugins: [