diff --git a/ui/component/livestreamComments/view.jsx b/ui/component/livestreamComments/view.jsx
index 0058d8adb..5d570355b 100644
--- a/ui/component/livestreamComments/view.jsx
+++ b/ui/component/livestreamComments/view.jsx
@@ -84,8 +84,8 @@ export default function LivestreamComments(props: Props) {
 
     function handleScroll() {
       if (discussionElement) {
-        const negativeCommentHeight = (-1 * commentElement.offsetHeight);
-        const isAtRecent = discussionElement.scrollTop >= negativeCommentHeight;
+        const negativeCommentHeight = commentElement && (-1 * commentElement.offsetHeight);
+        const isAtRecent = negativeCommentHeight && (discussionElement.scrollTop >= negativeCommentHeight);
 
         setScrollBottom(isAtRecent);
       }