diff --git a/lib/render.js b/lib/render.js
index 8fd4d2cd4b..c6af7d3429 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -9,6 +9,7 @@ exports.render = function (req, res) {
     console.error('> No build files found, please run `nuxt build` before launching `nuxt start`') // eslint-disable-line no-console
     process.exit(1)
   }
+  /* istanbul ignore if */
   if (!this.renderer) {
     setTimeout(() => {
       this.render(req, res)
@@ -39,6 +40,7 @@ exports.render = function (req, res) {
     }
   })
   .then(() => {
+    /* istanbul ignore if */
     if (this.dev && this._nuxtRegexp.test(req.url) && req.url.includes('.hot-update.json')) {
       res.statusCode = 404
       return res.end()