diff --git a/views/article.ejs b/views/article.ejs
index 1315acac6..3869262ff 100644
--- a/views/article.ejs
+++ b/views/article.ejs
@@ -27,7 +27,7 @@
     <script src="/embed.js" async onload="
       Coral.Talk.render(document.getElementById('coralStreamEmbed'), {
         talk: '/',
-        asset: <%= asset_url ? asset_url : 'undefined' %>
+        asset: '<%= asset_url ? asset_url : '' %>'
       })
     "></script>
   </main>