diff --git a/lib/generate.js b/lib/generate.js
index 9128f12a1..a48241aa4 100644
--- a/lib/generate.js
+++ b/lib/generate.js
@@ -69,7 +69,7 @@ export default async function () {
   }
   await copy(srcBuiltPath, distNuxtPath)
   debug('Static & build files copied')
-  if (this.options.router !== 'hash') {
+  if (this.options.router.mode !== 'hash') {
     // Resolve config.generate.routes promises before generating the routes
     try {
       var generateRoutes = await promisifyRoute(this.options.generate.routes || [])
@@ -91,7 +91,7 @@ export default async function () {
   /*
   ** Generate only index.html for router.mode = 'hash'
   */
-  let routes = (this.options.router === 'hash') ? ['/'] : this.routes
+  let routes = (this.options.router.mode === 'hash') ? ['/'] : this.routes
   while (routes.length) {
     let n = 0
     await Promise.all(routes.splice(0, 500).map(async (route) => {