diff --git a/test/fixtures/basic/nuxt.config.js b/test/fixtures/basic/nuxt.config.js
index 7151d7f1fd..5f64d6d92d 100644
--- a/test/fixtures/basic/nuxt.config.js
+++ b/test/fixtures/basic/nuxt.config.js
@@ -41,7 +41,8 @@ export default {
         features: {
           'custom-selectors': true
         }
-      })
+      }),
+      require('cssnano')
     ]
   }
 }