diff --git a/lib/widgets/room_chat.dart b/lib/widgets/room_chat.dart
index d8664b1..92aa95a 100644
--- a/lib/widgets/room_chat.dart
+++ b/lib/widgets/room_chat.dart
@@ -90,7 +90,8 @@ class RoomChat extends HookConsumerWidget {
     }, [scrollController.hasClients]);
 
     useEffect(() {
-      if (scrollController.position.atEdge &&
+      if (scrollController.hasClients &&
+          scrollController.position.atEdge &&
           scrollController.position.pixels != 0) {
         WidgetsBinding.instance.addPostFrameCallback((_) {
           if (scrollController.hasClients) {