From cede7dfab8b8c1cf0d0c2c67d1aab54655e4e058 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 26 Oct 2021 17:49:25 +0100
Subject: [PATCH] make delegate nullable.

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

diff --git a/src/Avalonia.FreeDesktop/DBusTrayIconImpl.cs b/src/Avalonia.FreeDesktop/DBusTrayIconImpl.cs
index 8a16cf4c34..c681415505 100644
--- a/src/Avalonia.FreeDesktop/DBusTrayIconImpl.cs
+++ b/src/Avalonia.FreeDesktop/DBusTrayIconImpl.cs
@@ -43,7 +43,7 @@ namespace Avalonia.FreeDesktop
         public bool IsActive { get; private set; }
         public INativeMenuExporter? MenuExporter { get; }
         public Action? OnClicked { get; set; }
-        public Func<IWindowIconImpl?, uint[]> IconConverterDelegate { get; set; }
+        public Func<IWindowIconImpl?, uint[]>? IconConverterDelegate { get; set; }
 
         public DBusTrayIconImpl()
         {