diff --git a/lib/libdisk/libdisk.h b/lib/libdisk/libdisk.h
index 2a4cd1a3043..5e7cd6c6dcd 100644
--- a/lib/libdisk/libdisk.h
+++ b/lib/libdisk/libdisk.h
@@ -60,6 +60,7 @@ typedef enum {
 	mbr,
 	gpt,
 
+	efi,
 	fat,
 	freebsd,
 	extended,