diff --git a/BaseTools/Source/Python/GenFds/Section.py b/BaseTools/Source/Python/GenFds/Section.py
index 447828c8e5..859db7230a 100644
--- a/BaseTools/Source/Python/GenFds/Section.py
+++ b/BaseTools/Source/Python/GenFds/Section.py
@@ -28,6 +28,7 @@ class Section (SectionClassObject):
         BINARY_FILE_TYPE_PIC       : 'EFI_SECTION_PIC',
         BINARY_FILE_TYPE_TE        : 'EFI_SECTION_TE',
         'FV_IMAGE'  : 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE',
+        'COMPAT16'  : 'EFI_SECTION_COMPATIBILITY16',
         BINARY_FILE_TYPE_DXE_DEPEX : 'EFI_SECTION_DXE_DEPEX',
         BINARY_FILE_TYPE_PEI_DEPEX : 'EFI_SECTION_PEI_DEPEX',
         'GUIDED'    : 'EFI_SECTION_GUID_DEFINED',