diff --git a/plugins.cfg b/plugins.cfg
index 2ce2084..c7e7c3e 100644
--- a/plugins.cfg
+++ b/plugins.cfg
@@ -14,10 +14,9 @@ enabled = True
 only_ip = True
 
 # Command templates for arping and iptables.
-
 # Arping might block so make sure you use a timeout and limit the number of
 # packets it sends.
 arping = -f -c 1 -w 30 -I wlp3s0 {ip_address}
 
-iptables_mac = -t mangle -D internet -m mac --mac-source "{mac_address}" -j RETURN
-iptables_ip = -t mangle -D internet -m tcp --source "{ip_address}" -j RETURN
+iptables_mac = -t mangle -I internet 1 -m mac --mac-source {mac_address} -j RETURN
+iptables_ip = -t mangle -I internet 1 -m tcp --source {ip_address} -j RETURN