diff --git a/src/.vuepress/theme/components/blog/Comments.vue b/src/.vuepress/theme/components/blog/Comments.vue
index 55d36a504..483de8399 100644
--- a/src/.vuepress/theme/components/blog/Comments.vue
+++ b/src/.vuepress/theme/components/blog/Comments.vue
@@ -41,7 +41,7 @@ export default {
     d.type = 'text/javascript'
     d.async = true
     d.src = window.DiscourseEmbed.discourseUrl + 'javascripts/embed.js'
-    (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(d)
+    ;(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(d)
   },
 }
 </script>