diff --git a/boot/mbr.asm b/boot/mbr.asm
index f35e8aa..873380a 100644
--- a/boot/mbr.asm
+++ b/boot/mbr.asm
@@ -117,7 +117,7 @@ chain:	; restore PnP structure
 	jmp 0:bs
 
 dap:
-.size:	db 0
+.size:	db 0x10
 	db 0
 .count:	dw 1
 .buf:	dw bs