From f47b733a714ced9f1aed9c0ac5108d1c564124b4 Mon Sep 17 00:00:00 2001
From: Jerry Jian <wenlong.jian@hotmail.com>
Date: Thu, 12 Sep 2024 12:10:59 +0800
Subject: [PATCH] Fix the name of font family is null cause crash. #12190
 (#16677)

Co-authored-by: jianwenlong <jian-wenlong@rui-hai.com>
---
 src/Avalonia.Base/Media/Typeface.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Base/Media/Typeface.cs b/src/Avalonia.Base/Media/Typeface.cs
index d9bd158886..3a221c3d2d 100644
--- a/src/Avalonia.Base/Media/Typeface.cs
+++ b/src/Avalonia.Base/Media/Typeface.cs
@@ -48,7 +48,7 @@ namespace Avalonia.Media
             FontStyle style = FontStyle.Normal,
             FontWeight weight = FontWeight.Normal,
             FontStretch stretch = FontStretch.Normal)
-            : this(new FontFamily(fontFamilyName), style, weight, stretch)
+            : this(fontFamilyName == null ? FontFamily.Default : new FontFamily(fontFamilyName), style, weight, stretch)
         {
         }