diff --git a/scripts/webpack/webpack.dev.js b/scripts/webpack/webpack.dev.js
index 26af661bf9d..a2c60cf15c4 100644
--- a/scripts/webpack/webpack.dev.js
+++ b/scripts/webpack/webpack.dev.js
@@ -85,7 +85,7 @@ module.exports = merge(common, {
         ]
       },
       require('./sass.rule.js')({
-        sourceMap: true, minimize: false, preserveUrl: true
+        sourceMap: true, minimize: false, preserveUrl: false
       }, extractSass),
       {
         test: /\.(ttf|eot|svg|woff(2)?)(\?[a-z0-9=&.]+)?$/,