diff --git a/Flow.Launcher/Helper/HotKeyMapper.cs b/Flow.Launcher/Helper/HotKeyMapper.cs
index 8a9c07d9a..064ebf3bc 100644
--- a/Flow.Launcher/Helper/HotKeyMapper.cs
+++ b/Flow.Launcher/Helper/HotKeyMapper.cs
@@ -191,10 +191,11 @@ internal static class HotKeyMapper
         }
     }
 
-    private static void SetWindowHotkey(KeyGesture keyGesture, List<(PluginMetadata Metadata, SearchWindowPluginHotkey PluginHotkey)> hotkeyModels)
+    internal static void SetWindowHotkey(KeyGesture keyGesture, List<(PluginMetadata Metadata, SearchWindowPluginHotkey PluginHotkey)> hotkeyModels)
     {
         try
         {
+            if (hotkeyModels.Count == 0) return;
             if (Application.Current?.MainWindow is MainWindow window)
             {
                 var command = BuildCommand(hotkeyModels);