diff --git a/test/fixtures/with-config/nuxt.config.js b/test/fixtures/with-config/nuxt.config.js
index 23500c15d..3d97739da 100644
--- a/test/fixtures/with-config/nuxt.config.js
+++ b/test/fixtures/with-config/nuxt.config.js
@@ -1,6 +1,15 @@
+const resolve = require('path').resolve
+
 module.exports = {
   router: {
-    base: '/test/'
+    base: '/test/',
+    extendRoutes (routes) {
+      routes.push({
+        name: 'about-bis',
+        path: '/about-bis',
+        component: resolve(__dirname, 'pages/about.vue')
+      })
+    }
   },
   cache: true,
   plugins: ['~plugins/test.js'],
diff --git a/test/with-config.test.js b/test/with-config.test.js
index 831db9c61..ba7e145c6 100644
--- a/test/with-config.test.js
+++ b/test/with-config.test.js
@@ -47,6 +47,13 @@ test('/test/env', async t => {
   t.true(html.includes('"string": "Nuxt.js"'))
 })
 
+test('/test/about-bis (added with extendRoutes)', async t => {
+  const window = await nuxt.renderAndGetWindow(url('/test/about-bis'))
+  const html = window.document.body.innerHTML
+  t.true(html.includes('<h1>Custom layout</h1>'))
+  t.true(html.includes('<h1>About page</h1>'))
+})
+
 // Close server and ask nuxt to stop listening to file changes
 test.after('Closing server and nuxt.js', t => {
   server.close()