diff --git a/App.xaml.cs b/App.xaml.cs
index efa027c..d09da39 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -48,7 +48,6 @@ public partial class App : System.Windows.Application
         _server.Start(State.Settings.LocalPort);
 
         CreateTrayIcon();
-        ShowMainWindow();
     }
 
     public void SaveState()
@@ -69,6 +68,17 @@ public partial class App : System.Windows.Application
         MainWindow.Activate();
     }
 
+    public void ToggleMainWindow()
+    {
+        if (MainWindow?.IsVisible == true)
+        {
+            MainWindow.Hide();
+            return;
+        }
+
+        ShowMainWindow();
+    }
+
     private void RegisterActivationListener()
     {
         if (_activateEvent is null)
@@ -96,7 +106,7 @@ public partial class App : System.Windows.Application
         {
             if (args.Button == Forms.MouseButtons.Left)
             {
-                Dispatcher.Invoke(ShowMainWindow);
+                Dispatcher.Invoke(ToggleMainWindow);
             }
         };
         UpdateTrayMenu();