diff --git a/src/modules/launcher/PowerLauncher/MainWindow.xaml b/src/modules/launcher/PowerLauncher/MainWindow.xaml
index 3973e9b554..122a6301f7 100644
--- a/src/modules/launcher/PowerLauncher/MainWindow.xaml
+++ b/src/modules/launcher/PowerLauncher/MainWindow.xaml
@@ -97,5 +97,6 @@
     <Window.InputBindings>
         <KeyBinding Key="Escape" Command="{Binding EscCommand}" />
         <KeyBinding Key="Enter" Command="{Binding OpenResultCommand}" />
+        <KeyBinding Modifiers="Alt" Key="F4" Command="{Binding IgnoreCommand}" />
     </Window.InputBindings>
 </Window>
diff --git a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
index 28d0190da8..c268f589a7 100644
--- a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
+++ b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
@@ -114,6 +114,8 @@ namespace Wox.ViewModel
 
         private void InitializeKeyCommands()
         {
+            IgnoreCommand = new RelayCommand(_ => {});
+
             EscCommand = new RelayCommand(_ =>
             {
                 if (!SelectedIsFromQueryResults())
@@ -323,6 +325,7 @@ namespace Wox.ViewModel
             }
         }
 
+        public ICommand IgnoreCommand { get; set; }
         public ICommand EscCommand { get; set; }
         public ICommand SelectNextItemCommand { get; set; }
         public ICommand SelectPrevItemCommand { get; set; }