diff --git a/js/main.js b/js/main.js
index 4544460e..bccdd346 100644
--- a/js/main.js
+++ b/js/main.js
@@ -73,7 +73,8 @@ const targetElement = document.getElementById('chat').parentNode.parentNode.pare
 // Create a MutationObserver instance
 const observer = new MutationObserver(function(mutations) {
   mutations.forEach(function(mutation) {
-    let childElement = targetElement.childNodes[2].childNodes[0].childNodes[1];
+    let nodes = targetElement.childNodes[2].childNodes[0].childNodes;
+    let childElement = nodes[nodes.length - 1];
     childElement.scrollTop = childElement.scrollHeight;
   });
 });