diff -ruN /usr/ports//dns/bind98/files/named.in ./files/named.in
--- /usr/ports//dns/bind98/files/named.in	2014-03-26 02:25:17.000000000 +0900
+++ ./files/named.in	2014-03-27 17:22:49.000000000 +0900
@@ -80,7 +80,7 @@
 	if [ -e "$1" ]; then
 		unlink $1
 	fi
-	install -u root -g wheel -m 0644 /dev/null $1
+	install -o root -g wheel -m 0644 /dev/null $1
 }