From 7849d12baf91c2608c8d7f212bc7ecfdb3bad3c9 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Tue, 5 Jan 2021 13:40:04 +0100
Subject: [PATCH] [jool/openwrt] require 3 arguments

---
 openwrt/openwrt-add-jool-ipv4island.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openwrt/openwrt-add-jool-ipv4island.sh b/openwrt/openwrt-add-jool-ipv4island.sh
index 2b38865..0f1d75b 100755
--- a/openwrt/openwrt-add-jool-ipv4island.sh
+++ b/openwrt/openwrt-add-jool-ipv4island.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-if [ $# -ne 1 ]; then
+if [ $# -ne 3 ]; then
     echo "$0 ip-address nat64-prefix"
     echo "    ip-address: where to find the OpenWRT device"
     echo "    nat64-prefix: which network to use for INCOMING NAT64 (often 2a0a:e5c1:XXX:b00::/96"