diff --git a/sys/kern/genassym.sh b/sys/kern/genassym.sh
index 5c33c6ad42f6..70ad69ebd1d4 100644
--- a/sys/kern/genassym.sh
+++ b/sys/kern/genassym.sh
@@ -23,7 +23,7 @@ case $# in
 *)	usage;;
 esac
 
-${NM:='nm'} "$1" | awk '
+${NM:='nm'} "$1" | ${AWK:='awk'} '
 / C .*sign$/ {
 	sign = substr($1, length($1) - 3, 4)
 	sub("^0*", "", sign)