diff --git a/SabreTools.Models/LZ/ExpandFile.cs b/SabreTools.Models/LZ/SZDDFile.cs
similarity index 82%
rename from SabreTools.Models/LZ/ExpandFile.cs
rename to SabreTools.Models/LZ/SZDDFile.cs
index 7eba23e..8192231 100644
--- a/SabreTools.Models/LZ/ExpandFile.cs
+++ b/SabreTools.Models/LZ/SZDDFile.cs
@@ -5,12 +5,12 @@ namespace SabreTools.Models.LZ
     /// </summary>
     /// <see href="https://github.com/wine-mirror/wine/blob/master/dlls/kernel32/lzexpand.c"/>
     /// <see href="https://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html"/>
-    public sealed class ExpandFile
+    public sealed class SZDDFile
     {
         /// <summary>
         /// Header
         /// </summary>
-        public ExpandHeader? Header { get; set; }
+        public SZDDHeader? Header { get; set; }
 
         // Followed immediately by compressed data
     }
diff --git a/SabreTools.Models/LZ/ExpandHeader.cs b/SabreTools.Models/LZ/SZDDHeader.cs
similarity index 96%
rename from SabreTools.Models/LZ/ExpandHeader.cs
rename to SabreTools.Models/LZ/SZDDHeader.cs
index 00491e0..93ac707 100644
--- a/SabreTools.Models/LZ/ExpandHeader.cs
+++ b/SabreTools.Models/LZ/SZDDHeader.cs
@@ -8,7 +8,7 @@ namespace SabreTools.Models.LZ
     /// <see href="https://github.com/wine-mirror/wine/blob/master/dlls/kernel32/lzexpand.c"/>
     /// <see href="https://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html"/>
     [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
-    public sealed class ExpandHeader
+    public sealed class SZDDHeader
     {
         /// <summary>
         /// "SZDD" signature