diff --git a/common/ffs.cpp b/common/ffs.cpp
index 0897962..c9b7ac2 100644
--- a/common/ffs.cpp
+++ b/common/ffs.cpp
@@ -136,6 +136,8 @@ extern const UByteArray EFI_GUIDED_SECTION_LZMA // EE4E5898-3914-4259-9D6E-DC7BD
 ("\x98\x58\x4E\xEE\x14\x39\x59\x42\x9D\x6E\xDC\x7B\xD7\x94\x03\xCF", 16);
 extern const UByteArray EFI_GUIDED_SECTION_LZMA_HP // 0ED85E23-F253-413F-A03C-901987B04397
 ("\x23\x5E\xD8\x0E\x53\xF2\x3F\x41\xA0\x3C\x90\x19\x87\xB0\x43\x97", 16);
+extern const UByteArray EFI_GUIDED_SECTION_LZMA_MS // BD9921EA-ED91-404A-8B2F-B4D724747C8C
+("\xEA\x21\x99\xBD\x91\xED\x4A\x40\x8B\x2F\xB4\xD7\x24\x74\x7C\x8C", 16);
 extern const UByteArray EFI_GUIDED_SECTION_LZMAF86 // D42AE6BD-1352-4BFB-909A-CA72A6EAE889
 ("\xBD\xE6\x2A\xD4\x52\x13\xFB\x4B\x90\x9A\xCA\x72\xA6\xEA\xE8\x89", 16);
 extern const UByteArray EFI_GUIDED_SECTION_GZIP // 1D301FE9-BE79-4353-91C2-D23BC959AE0C
diff --git a/common/ffs.h b/common/ffs.h
index 4075bd6..7c92ed9 100644
--- a/common/ffs.h
+++ b/common/ffs.h
@@ -445,6 +445,7 @@ extern const UByteArray EFI_GUIDED_SECTION_CRC32; // FC1BCDB0-7D31-49AA-936A-A46
 extern const UByteArray EFI_GUIDED_SECTION_TIANO; // A31280AD-481E-41B6-95E8-127F4C984779
 extern const UByteArray EFI_GUIDED_SECTION_LZMA; // EE4E5898-3914-4259-9D6E-DC7BD79403CF
 extern const UByteArray EFI_GUIDED_SECTION_LZMA_HP; // 0ED85E23-F253-413F-A03C-901987B04397
+extern const UByteArray EFI_GUIDED_SECTION_LZMA_MS; // BD9921EA-ED91-404A-8B2F-B4D724747C8C
 extern const UByteArray EFI_GUIDED_SECTION_LZMAF86; // D42AE6BD-1352-4BFB-909A-CA72A6EAE889
 extern const UByteArray EFI_GUIDED_SECTION_GZIP; // 1D301FE9-BE79-4353-91C2-D23BC959AE0C
 extern const UByteArray EFI_GUIDED_SECTION_ZLIB_AMD; // CE3233F5-2CD6-4D87-9152-4A238BB6D1C4
diff --git a/common/ffsparser.cpp b/common/ffsparser.cpp
index 0be22c2..2ac2969 100644
--- a/common/ffsparser.cpp
+++ b/common/ffsparser.cpp
@@ -2509,6 +2509,7 @@ USTATUS FfsParser::parseGuidedSectionHeader(const UByteArray & section, const UI
     }
     else if (baGuid == EFI_GUIDED_SECTION_LZMA
         || baGuid == EFI_GUIDED_SECTION_LZMA_HP
+        || baGuid == EFI_GUIDED_SECTION_LZMA_MS
         || baGuid == EFI_GUIDED_SECTION_LZMAF86
         || baGuid == EFI_GUIDED_SECTION_TIANO
         || baGuid == EFI_GUIDED_SECTION_GZIP) {
@@ -2998,7 +2999,8 @@ USTATUS FfsParser::parseGuidedSectionBody(const UModelIndex & index)
     }
     // LZMA compressed section
     else if (baGuid == EFI_GUIDED_SECTION_LZMA
-             || baGuid == EFI_GUIDED_SECTION_LZMA_HP) {
+             || baGuid == EFI_GUIDED_SECTION_LZMA_HP
+             || baGuid == EFI_GUIDED_SECTION_LZMA_MS) {
         USTATUS result = decompress(model->body(index), EFI_CUSTOMIZED_COMPRESSION, algorithm, dictionarySize, processed, efiDecompressed);
         if (result) {
             msg(usprintf("%s: decompression failed with error ", __FUNCTION__) + errorCodeToUString(result), index);