diff --git a/lib/pages/dynamics_select_topic/view.dart b/lib/pages/dynamics_select_topic/view.dart
index 8ac8ba633..f90709ed9 100644
--- a/lib/pages/dynamics_select_topic/view.dart
+++ b/lib/pages/dynamics_select_topic/view.dart
@@ -152,7 +152,7 @@ class _SelectTopicPanelState extends State<SelectTopicPanel> {
         response?.isNotEmpty == true
             ? NotificationListener<ScrollNotification>(
                 onNotification: (notification) {
-                  if (notification is ScrollStartNotification) {
+                  if (notification is UserScrollNotification) {
                     if (_controller.focusNode.hasFocus) {
                       _controller.focusNode.unfocus();
                     }