diff --git a/lib/builder/webpack/style-loader.js b/lib/builder/webpack/style-loader.js
index 4e61767203..79c82ae89c 100755
--- a/lib/builder/webpack/style-loader.js
+++ b/lib/builder/webpack/style-loader.js
@@ -58,7 +58,7 @@ export default function styleLoader (ext, loaders = [], isVueLoader = false) {
     loader: 'resolve-url-loader'
   }
 
-  if (this.options.build.extractCSS) {
+  if (this.options.build.extractCSS && !isVueLoader && !this.options.dev) {
     return ExtractTextPlugin.extract({
       fallback: vueStyleLoader,
       use: [