diff --git a/lib/builder/webpack/server.js b/lib/builder/webpack/server.js
index 219025d6f8..b966234844 100644
--- a/lib/builder/webpack/server.js
+++ b/lib/builder/webpack/server.js
@@ -59,12 +59,16 @@ export default class WebpackServerConfig extends BaseConfig {
 
     // https://webpack.js.org/configuration/externals/#externals
     // https://github.com/liady/webpack-node-externals
+    // https://vue-loader.vuejs.org/migrating.html#ssr-externals
     this.options.modulesDir.forEach(dir => {
       if (fs.existsSync(dir)) {
         config.externals.push(
           nodeExternals({
-            // load non-javascript files with extensions, presumably via loaders
-            whitelist: [/es6-promise|\.(?!(?:js|json)$).{1,5}$/i],
+            whitelist: [
+              /es6-promise|\.(?!(?:js|json)$).{1,5}$/i,
+              /\.css$/,
+              /\?vue&type=style/
+            ],
             modulesDir: dir
           })
         )