diff --git a/README.md b/README.md
index 8cb23f33..411b54b2 100644
--- a/README.md
+++ b/README.md
@@ -244,7 +244,9 @@ module.exports = {
         rules: [{
             test: /\.scss$/,
             use: [{
-                loader: "style-loader"
+                loader: "style-loader", options: {
+                    sourceMap: true
+                }
             }, {
                 loader: "css-loader", options: {
                     sourceMap: true