From f4192416f74bd856ee7b262a625b5dda7c4c4ed9 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Tue, 10 Mar 2026 17:31:09 -0400
Subject: [PATCH] Fix build

---
 SabreTools.Serialization/Wrappers/FDS.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SabreTools.Serialization/Wrappers/FDS.cs b/SabreTools.Serialization/Wrappers/FDS.cs
index 6eb17b77..818cebc9 100644
--- a/SabreTools.Serialization/Wrappers/FDS.cs
+++ b/SabreTools.Serialization/Wrappers/FDS.cs
@@ -15,10 +15,10 @@ namespace SabreTools.Serialization.Wrappers
         #region Extension Properties
 
         /// <inheritdoc cref="Data.Models.NES.FDS.Header"/>
-        public FDSHeader Header => Model.Header;
+        public FDSHeader? Header => Model.Header;
 
         /// <inheritdoc cref="FDSHeader.DiskSides"/>
-        public byte DiskSides => Header.DiskSides;
+        public byte DiskSides => Header?.DiskSides ?? 0;
 
         #endregion