diff --git a/Rg.Plugins.Popup/Platforms/Mac/Impl/PopupPlatformMacOS.cs b/Rg.Plugins.Popup/Platforms/Mac/Impl/PopupPlatformMacOS.cs
index 89ee52b9..7f0b8e0c 100644
--- a/Rg.Plugins.Popup/Platforms/Mac/Impl/PopupPlatformMacOS.cs
+++ b/Rg.Plugins.Popup/Platforms/Mac/Impl/PopupPlatformMacOS.cs
@@ -37,7 +37,8 @@ public Task AddAsync(PopupPage page)
 
             var renderer = page.GetOrCreateRenderer();
 
-            NSApplication.SharedApplication.MainWindow.ContentView.AddSubview(renderer.NativeView);
+            var forcedMainWindow = NSApplication.SharedApplication.MainWindow ?? Application.Current.MainPage.GetOrCreateRenderer().NativeView.Window;
+            forcedMainWindow.ContentView.AddSubview(renderer.NativeView);
             return Task.CompletedTask;
         }