From 5f7818fa08e4a6786187d14f8951a0c414c35b33 Mon Sep 17 00:00:00 2001
From: Max Katz <maxkatz6@outlook.com>
Date: Sat, 25 Jun 2022 20:47:02 -0400
Subject: [PATCH] Fix DirectBindingSubscription NRE

---
 src/Avalonia.Base/AvaloniaObject.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Base/AvaloniaObject.cs b/src/Avalonia.Base/AvaloniaObject.cs
index 1f14ddede4..6633eabb5d 100644
--- a/src/Avalonia.Base/AvaloniaObject.cs
+++ b/src/Avalonia.Base/AvaloniaObject.cs
@@ -935,7 +935,8 @@ namespace Avalonia
 
             public void Dispose()
             {
-                _subscription.Dispose();
+                // _subscription can be null, if Subscribe failed with an exception.
+                _subscription?.Dispose();
                 _owner._directBindings!.Remove(this);
             }