diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index e842f6e88..6298fdf3d 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -503,7 +503,7 @@ namespace Flow.Launcher
 
         private void MoveQueryTextToEnd()
         {
-            QueryTextBox.CaretIndex = QueryTextBox.Text.Length;
+            Dispatcher.Invoke(() => QueryTextBox.CaretIndex = QueryTextBox.Text.Length);
         }
 
         public void InitializeColorScheme()