diff --git a/src/pages/Thread.tsx b/src/pages/Thread.tsx
index 079f160..34c96a8 100644
--- a/src/pages/Thread.tsx
+++ b/src/pages/Thread.tsx
@@ -111,6 +111,10 @@ const Thread: Component = () => {
       setTimeout(() => {
         if (!repliesHolder) return;
 
+        if (parentNotes().length === 0) {
+          return;
+        }
+
         const rect = pn.getBoundingClientRect();
 
         const vh = window.innerHeight;