diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs
index e31477ef86f..72edb58c41c 100644
--- a/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs
+++ b/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs
@@ -77,7 +77,7 @@ void HandleWindowDidResignKey(object sender, EventArgs args)
 
 			void HandleWindowDidBecomeKey(object sender, EventArgs args)
 			{
-				if (CurrentEditor == Window.FirstResponder)
+				if (Window != null && CurrentEditor == Window.FirstResponder)
 					FocusChanged?.Invoke(this, new BoolEventArgs(true));
 			}
 		}