From 2f35cd1b7b42d505ce215a1b4d4c2d11e7af98b9 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 8 Mar 2022 12:17:20 +0000
Subject: [PATCH] fix nullability error.

---
 src/Avalonia.Controls/WindowBase.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/WindowBase.cs b/src/Avalonia.Controls/WindowBase.cs
index d3c940c07c..12ba143c8a 100644
--- a/src/Avalonia.Controls/WindowBase.cs
+++ b/src/Avalonia.Controls/WindowBase.cs
@@ -60,7 +60,7 @@ namespace Avalonia.Controls
 
         public WindowBase(IWindowBaseImpl impl, IAvaloniaDependencyResolver? dependencyResolver) : base(impl, dependencyResolver)
         {
-            Screens = new Screens(PlatformImpl?.Screen);
+            Screens = new Screens(impl.Screen);
             impl.Activated = HandleActivated;
             impl.Deactivated = HandleDeactivated;
             impl.PositionChanged = HandlePositionChanged;