diff --git a/ScreenToGif/Windows/Editor.xaml.cs b/ScreenToGif/Windows/Editor.xaml.cs
index a01171ac..5b229c75 100644
--- a/ScreenToGif/Windows/Editor.xaml.cs
+++ b/ScreenToGif/Windows/Editor.xaml.cs
@@ -3488,7 +3488,7 @@ internal void LoadProject(ProjectInfo project, bool isNew = true, bool clear = t
         {
             Cursor = Cursors.AppStarting;
             IsLoading = true;
-
+            LastSelected = -1;  //lastSelected need clear when new porject loaded
             FrameListView.Items.Clear();
             ZoomBoxControl.Zoom = 1;
 
@@ -6711,4 +6711,4 @@ internal async Task SendFeedback()
 
         #endregion
     }
-}
\ No newline at end of file
+}