diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index 56de70b47..ea1e92b22 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -1464,8 +1464,8 @@ namespace Flow.Launcher.ViewModel
 
         public void Show()
         {
-            // Invoke on UI thread
-            Application.Current.Dispatcher.Invoke(() =>
+            // When application is exitting, the Application.Current will be null
+            Application.Current?.Dispatcher.Invoke(() =>
             {
                 // When application is exitting, the Application.Current will be null
                 if (Application.Current?.MainWindow is MainWindow mainWindow)
@@ -1539,8 +1539,8 @@ namespace Flow.Launcher.ViewModel
                     break;
             }
 
-            // Invoke on UI thread
-            Application.Current.Dispatcher.Invoke(() =>
+            // When application is exitting, the Application.Current will be null
+            Application.Current?.Dispatcher.Invoke(() =>
             {
                 // When application is exitting, the Application.Current will be null
                 if (Application.Current?.MainWindow is MainWindow mainWindow)