diff --git a/.drone.yml b/.drone.yml
index dcfc67a..22ebdeb 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,7 +3,7 @@ type: kubernetes
 name: default
 
 node_selector:
-  physical-node: dev2
+  physical-node: dev1
 
 trigger:
   branch:
diff --git a/Dockerfile b/Dockerfile
index b3e010e..9668fad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM alpine
 
-RUN apk add --update --no-cache iptables iptables-legacy openssl jq curl ca-certificates busybox-extras docker-cli
+RUN apk add --update --no-cache iptables iptables-legacy openssl jq curl ca-certificates busybox-extras docker-cli nftables
 COPY firewall/ /firewall/
 CMD firewall/iptables-wrapper-installer.sh && /firewall/firewall-add
diff --git a/firewall/firewall-add b/firewall/firewall-add
index c6e4458..966ab64 100755
--- a/firewall/firewall-add
+++ b/firewall/firewall-add
@@ -484,6 +484,9 @@ for source_ip_index in $(seq 1 $COUNT_SOURCE_IP); do
                         else
                             debug "$IPTABLES -I $CHAIN -p $PROTOCOL $IPTABLES_OPTIONS -m comment --comment "$COMMENT" -j ACCEPT"
                             $IPTABLES -w -I $CHAIN -p $PROTOCOL $IPTABLES_OPTIONS -m comment --comment "$COMMENT" -j ACCEPT
+                            if [ "$IPTABLES" == "/usr/sbin/iptables" ]; then
+                                /usr/sbin/nft delete table ip raw 2>/dev/null || true
+                            fi
                         fi
                     fi
                     #############################