=== modified file 'zsh-functions/confz_fs_init'
--- zsh-functions/confz_fs_init	2019-02-22 03:43:04 +0000
+++ zsh-functions/confz_fs_init	2019-02-22 03:30:39 +0000
@@ -206,7 +206,7 @@
 # embed file in MBR
 confz_mbr_code_check() {
 	checkvars device from
-	do_command=( dd bs=440 count=1 if=$vars[from] of=$vars[device] )
+	do_command=( dd bs=440B count=1 if=$vars[from] of=$vars[device] )
 	dd if=$vars[device] bs=440 count=1 | cmp -s - $vars[from]
 }