diff --git a/util/cbfstool/cbfs.h b/util/cbfstool/cbfs.h
index 6fb9edd..5c93838a 100644
--- a/util/cbfstool/cbfs.h
+++ b/util/cbfstool/cbfs.h
@@ -77,6 +77,7 @@
 #define CBFS_COMPONENT_MBI        0x52
 #define CBFS_COMPONENT_MICROCODE  0x53
 #define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
+#define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa
 
 /* The deleted type is chosen to be a value
  * that can be written in a FLASH from all other