diff --git a/openwrt/openwrt-nat64-bootstrap.sh b/openwrt/openwrt-nat64-bootstrap.sh
index e09d5c2..ed24a81 100755
--- a/openwrt/openwrt-nat64-bootstrap.sh
+++ b/openwrt/openwrt-nat64-bootstrap.sh
@@ -8,7 +8,7 @@
 # Consequences
 # - do not provide IPv4 or IPv6 dhcp/ra on any interface
 
-if [ $# -lt 4 ] ; then
+if [ $# -lt 7 ] ; then
     echo $0 "address hostname nat64prefix nat64route ipv4out asn routerid iBGPpeer1 [iBGPpeer2...]"
     exit 1
 fi