diff --git a/SabreTools.Serialization/Models/BDPlus/Constants.cs b/SabreTools.Serialization/Models/BDPlus/Constants.cs
index 4e06c233..49b1753a 100644
--- a/SabreTools.Serialization/Models/BDPlus/Constants.cs
+++ b/SabreTools.Serialization/Models/BDPlus/Constants.cs
@@ -6,4 +6,4 @@ namespace SabreTools.Data.Models.BDPlus
 
         public const string SignatureString = "BDSVM_CC";
     }
-}
\ No newline at end of file
+}
diff --git a/SabreTools.Serialization/Models/BDPlus/SVM.cs b/SabreTools.Serialization/Models/BDPlus/SVM.cs
index 142007f1..e66d066d 100644
--- a/SabreTools.Serialization/Models/BDPlus/SVM.cs
+++ b/SabreTools.Serialization/Models/BDPlus/SVM.cs
@@ -9,7 +9,7 @@ namespace SabreTools.Data.Models.BDPlus
         /// "BDSVM_CC"
         /// </summary>
         [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)]
-        public string? Signature;
+        public string Signature;
 
         /// <summary>
         /// Unknown data