diff --git a/include/part.h b/include/part.h
index 37b2b68..8407aa0 100644
--- a/include/part.h
+++ b/include/part.h
@@ -59,6 +59,7 @@
 #define IF_TYPE_USB		4
 #define IF_TYPE_DOC		5
 #define IF_TYPE_MMC		6
+#define IF_TYPE_SD		7
 
 /* Part types */
 #define PART_TYPE_UNKNOWN	0x00