One more MBR byte

diff --git a/mbr/mbr.S b/mbr/mbr.S
index 2756d7d..50e038a 100644 (file)
--- a/mbr/mbr.S
+++ b/mbr/mbr.S
@@ -122,8 +122,8 @@ read_sector_cbios:
        xchgw   %dx, %ax
        divb    (sectors)
        movb    %al, %dh
-       incb    %ah
        orb     %ah, %cl
+       incw    %cx     /* Sectors are 1-based */
        movw    $0x0201, %ax
        jmp     read_common
 read_sector_ebios: