diff --git a/package.json b/package.json
index a1b7a717e7..5ccb3b3678 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   },
   "nyc": {
     "exclude": [
-      "/index.js"
+      "index.js"
     ]
   },
   "scripts": {
diff --git a/src/core/renderer.js b/src/core/renderer.js
index 44f7e90cd2..011ae488cc 100644
--- a/src/core/renderer.js
+++ b/src/core/renderer.js
@@ -235,7 +235,7 @@ export default class Renderer extends Tapable {
       res.end(html, 'utf8')
       return html
     } catch (err) {
-      /* istanbul ignore if  */
+      /* istanbul ignore if */
       if (context.redirected) {
         console.error(err) // eslint-disable-line no-console
         return err
@@ -306,8 +306,7 @@ export default class Renderer extends Tapable {
     if (!jsdom) {
       try {
         jsdom = require('jsdom')
-      } catch (e) {
-        // istanbul ignore next
+      } catch (e) /* istanbul ignore next */{
         console.error('Fail when calling nuxt.renderAndGetWindow(url)') // eslint-disable-line no-console
         console.error('jsdom module is not installed') // eslint-disable-line no-console
         console.error('Please install jsdom with: npm install --save-dev jsdom') // eslint-disable-line no-console