diff --git a/themes/red/layouts/_default/single.html b/themes/red/layouts/_default/single.html
index 5166d58..cea4340 100644
--- a/themes/red/layouts/_default/single.html
+++ b/themes/red/layouts/_default/single.html
@@ -35,7 +35,7 @@
         data-isso-avatar="false"
         data-isso-vote="false"
         data-isso-reveal-on-click="5"
-        src="//comments.redstrate.com/js/embed.min.js"></script>
+        src="//comments.redstrate.com/js/embed.min.js" crossorigin async></script>
 
     <section id="isso-thread" data-title="{{ .Title }}" data-isso-id="{{ .File.ContentBaseName }}">
         <noscript>Javascript needs to be activated to view comments.</noscript>