diff --git a/util/cbfstool/cbfs.h b/util/cbfstool/cbfs.h
index 9af801c..f7cd39a 100644
--- a/util/cbfstool/cbfs.h
+++ b/util/cbfstool/cbfs.h
@@ -53,6 +53,7 @@
 #define CBFS_ARCHITECTURE_X86      0x00000001
 #define CBFS_ARCHITECTURE_ARM      0x00000010
 #define CBFS_ARCHITECTURE_AARCH64  0x0000aa64
+#define CBFS_ARCHITECTURE_MIPS     0x00000100
 #define CBFS_ARCHITECTURE_RISCV    0xc001d0de
 
 #define CBFS_FILE_MAGIC "LARCHIVE"