diff --git a/sys/kern/genassym.sh b/sys/kern/genassym.sh
index 0374c8844b9a..999090f22d0e 100644
--- a/sys/kern/genassym.sh
+++ b/sys/kern/genassym.sh
@@ -1,72 +1,72 @@
 #!/bin/sh
 # $FreeBSD$
 
 usage()
 {
 	echo "usage: genassym [-o outfile] objfile"
 	exit 1
 }
 
 
 work()
 {
 	${NM:='nm'} ${NMFLAGS} "$1" | ${AWK:='awk'} '
 	/ C .*sign$/ {
 		sign = substr($1, length($1) - 3, 4)
 		sub("^0*", "", sign)
 		if (sign != "")
 			sign = "-"
 	}
 	/ C .*w0$/ {
 		w0 = substr($1, length($1) - 3, 4)
 	}
 	/ C .*w1$/ {
 		w1 = substr($1, length($1) - 3, 4)
 	}
 	/ C .*w2$/ {
 		w2 = substr($1, length($1) - 3, 4)
 	}
 	/ C .*w3$/ {
 		w3 = substr($1, length($1) - 3, 4)
 		w = w3 w2 w1 w0
 		sub("^0*", "", w)
 		if (w == "")
 			w = "0"
 		hex = ""
 		if (w != "0")
 			hex = "0x"
 		sub("w3$", "", $3)
 		# This still has minor problems representing INT_MIN, etc. 
 		# E.g.,
 		# with 32-bit 2''s complement ints, this prints -0x80000000,
 		# which has the wrong type (unsigned int).
 		printf("#define\t%s\t%s%s%s\n", $3, sign, hex, w)
 	} '
 }
 
 
 #
 #MAIN PROGGRAM
 #
 use_outfile="no"
 while getopts "o:" option
 do
 	case "$option" in
 	o)	outfile="$OPTARG"
 		use_outfile="yes";;
 	*)	usage;;
 	esac
 done
-shift $(($OPTIND - 1))
+shift $((OPTIND - 1))
 case $# in
 1)	;;
 *)	usage;;
 esac
 
 if [ "$use_outfile" = "yes" ]
 then
-	work $1  3>"$outfile" >&3 3>&-
+	work "$1"  3>"$outfile" >&3 3>&-
 else
-	work $1
+	work "$1"
 fi