diff --git a/assets/js/misuzu/vembed.js b/assets/js/misuzu/vembed.js
index f96723e..665f58c 100644
--- a/assets/js/misuzu/vembed.js
+++ b/assets/js/misuzu/vembed.js
@@ -687,7 +687,7 @@ const MszVideoEmbedPlaceholder = function(metadata, options) {
     });
 
     if(metadata.description) {
-        const firstLine = metadata.description.split("\n")[0].trim();
+        let firstLine = metadata.description.split("\n")[0].trim();
         if(firstLine.length > 300)
             firstLine = firstLine.substring(0, 300).trim() + '...';