From be8a3e83fa9fd50c29e12c33af4951c05105f231 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Mon, 16 Nov 2020 21:12:46 +0000
Subject: [PATCH] fix OSX NRE.

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

diff --git a/src/Avalonia.Native/WindowImplBase.cs b/src/Avalonia.Native/WindowImplBase.cs
index 20b6b8ecc5..150ab2703e 100644
--- a/src/Avalonia.Native/WindowImplBase.cs
+++ b/src/Avalonia.Native/WindowImplBase.cs
@@ -174,7 +174,7 @@ namespace Avalonia.Native
 
             void IAvnWindowBaseEvents.Resized(AvnSize* size)
             {
-                if (_parent._native != null)
+                if (_parent?._native != null)
                 {
                     var s = new Size(size->Width, size->Height);
                     _parent._savedLogicalSize = s;