diff --git a/webpack.dev.js b/webpack.dev.js
index b1ed36123..0e84f7a4e 100644
--- a/webpack.dev.js
+++ b/webpack.dev.js
@@ -6,9 +6,9 @@ module.exports = [
   // merge common config
   merge(common, {
     mode: 'development',
-    devtool: 'cheap-module-eval-source-map'
+    devtool: 'eval-cheap-module-source-map'
   }),
   merge(htmlexport, {
     mode: 'development',
-    devtool: 'cheap-module-eval-source-map'
+    devtool: 'eval-cheap-module-source-map'
   })]