diff --git a/SabreTools.Models/Compression/LZ/KWAJHeader.cs b/SabreTools.Models/Compression/LZ/KWAJHeader.cs
index f101607..6a66085 100644
--- a/SabreTools.Models/Compression/LZ/KWAJHeader.cs
+++ b/SabreTools.Models/Compression/LZ/KWAJHeader.cs
@@ -29,6 +29,7 @@ namespace SabreTools.Models.Compression.LZ
         /// <summary>
         /// Header flags to mark header extensions
         /// </summary>
+        [MarshalAs(UnmanagedType.U2)]
         public KWAJHeaderFlags HeaderFlags;
     }
 }
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