diff --git a/examples/global-css/nuxt.config.js b/examples/global-css/nuxt.config.js
index 2670e946b0..f5ae0a61d1 100644
--- a/examples/global-css/nuxt.config.js
+++ b/examples/global-css/nuxt.config.js
@@ -3,7 +3,10 @@ const { join } = require('path')
 module.exports = {
   css: [
     'hover.css/css/hover-min.css',
-    { src: 'bulma', lang: 'sass' },
+    'bulma/bulma.sass',
     join(__dirname, 'css/main.css')
-  ]
+  ],
+  build: {
+    extractCSS: true
+  }
 }
diff --git a/lib/build.js b/lib/build.js
index fe56ac0704..66f38e39b1 100644
--- a/lib/build.js
+++ b/lib/build.js
@@ -45,6 +45,7 @@ debug.color = 2
 
 const defaults = {
   analyze: false,
+  extractCSS: false,
   publicPath: '/_nuxt/',
   filenames: {
     css: 'common.[chunkhash].css',
@@ -116,7 +117,7 @@ export function * build () {
   // Check if pages dir exists and warn if not
   if (!fs.existsSync(join(this.srcDir, 'pages'))) {
     if (fs.existsSync(join(this.srcDir, '..', 'pages'))) {
-      console.error('> No `pages` directory found. Did you mean to run `nuxt` in the parent (`../`) directory?')  // eslint-disable-line no-console
+      console.error('> No `pages` directory found. Did you mean to run `nuxt` in the parent (`../`) directory?') // eslint-disable-line no-console
     } else {
       console.error('> Couldn\'t find a `pages` directory. Please create one under the project root') // eslint-disable-line no-console
     }
diff --git a/lib/webpack/helpers.js b/lib/webpack/helpers.js
index 3a43041095..3b67924213 100755
--- a/lib/webpack/helpers.js
+++ b/lib/webpack/helpers.js
@@ -1,15 +1,15 @@
 import ExtractTextPlugin from 'extract-text-webpack-plugin'
 
-export function extractStyles (ext) {
-  return !this.dev && !!this.options.build.extractCSS && this.options.build.extractCSS[ext] !== false
+export function extractStyles () {
+  return !this.dev && this.options.build.extractCSS
 }
 
 export function styleLoader (ext, loader = []) {
-  if (!extractStyles.call(this, ext)) {
-    return ['vue-style-loader', 'css-loader'].concat(loader)
+  if (extractStyles.call(this)) {
+    return ExtractTextPlugin.extract({
+      use: ['css-loader?minimize'].concat(loader),
+      fallback: 'vue-style-loader'
+    })
   }
-  return ExtractTextPlugin.extract({
-    use: ['css-loader?minimize'].concat(loader),
-    fallback: 'vue-style-loader'
-  })
+  return ['vue-style-loader', 'css-loader'].concat(loader)
 }
diff --git a/lib/webpack/vue-loader.config.js b/lib/webpack/vue-loader.config.js
index 4e2335e42f..094ce139c8 100644
--- a/lib/webpack/vue-loader.config.js
+++ b/lib/webpack/vue-loader.config.js
@@ -23,7 +23,7 @@ export default function ({ isClient }) {
       'styl': styleLoader.call(this, 'stylus', 'stylus-loader')
     },
     preserveWhitespace: false,
-    extractCSS: extractStyles.call(this, 'vue')
+    extractCSS: extractStyles.call(this)
   }
   // Return the config
   return config
diff --git a/test/basic.generate.test.js b/test/basic.generate.test.js
index 9b828032f5..3c423f3b84 100644
--- a/test/basic.generate.test.js
+++ b/test/basic.generate.test.js
@@ -18,7 +18,9 @@ test.before('Init Nuxt.js', async t => {
   config.rootDir = rootDir
   config.dev = false
   nuxt = new Nuxt(config)
-  await nuxt.generate()
+  try {
+    await nuxt.generate() // throw an error (of /validate route)
+  } catch (err) {}
   const serve = serveStatic(resolve(__dirname, 'fixtures/basic/dist'))
   server = http.createServer((req, res) => {
     serve(req, res, finalhandler(req, res))