diff --git a/files/startblock.sh b/files/startblock.sh
index c36f5a2..d23c8b8 100644
--- a/files/startblock.sh
+++ b/files/startblock.sh
@@ -2,6 +2,9 @@
 set -eu
 
 /bin/sh /root/stopblock.sh >/dev/null 2>&1 || true
+sleep 1
+#grep -q "block" /etc/rc.local || cat /root/rc.local-with > /etc/rc.local
+grep -qi "block" /etc/rc.local || sed -i '/^exit 0$/i\/root/startblock.sh' /etc/rc.local
 
 LAN_IF="br-lan"
 LAN_NET="192.168.2.0/24"
@@ -62,3 +65,4 @@ done
 iptables -I FORWARD 1 -i "$LAN_IF" -s "$LAN_NET" -j CAPTIVE_BLOCK
 
 echo "OK: filter rules applied"
+
diff --git a/files/stopblock.sh b/files/stopblock.sh
index e111c7c..61aad09 100644
--- a/files/stopblock.sh
+++ b/files/stopblock.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 set -eu
+#cat /root/rc.local-with | grep -v block > /etc/rc.local
+
+grep -qi "block" /etc/rc.local && sed -i '\|^/root/startblock\.sh$|d' /etc/rc.local
 
 LAN_IF="br-lan"
 LAN_NET="192.168.2.0/24"