diff --git a/firewall/firewall-add b/firewall/firewall-add
index 74d23f8..44ef99b 100755
--- a/firewall/firewall-add
+++ b/firewall/firewall-add
@@ -55,11 +55,11 @@ for i in $(seq 1 $COUNT) ; do
 	fi
 
 	# DELETE UNECESSARY LINES FROM PREVIOUS RULES
-	LINES=$(/sbin/iptables-legacy --line-number -n --list $CHAIN | grep "$SOURCE_IP |grep $TARGET_IP |grep $PROTOCOL |grep $TARGET_PORT" | awk '{print $1}')
+	LINES=$(/sbin/iptables-legacy --line-number -n --list $CHAIN | grep $SOURCE_IP |grep $TARGET_IP |grep $PROTOCOL |grep $TARGET_PORT | awk '{print $1}'| tac)
 
 	if [ -n "$LINES" ] ; then
-        	for n in $(seq 1 $LINES); do 
-                	/sbin/iptables-legacy -D --list $CHAIN $n
+        	for i in $LINES; do 
+                	/sbin/iptables-legacy -D $CHAIN $i
                 	sleep 0.1
         	done
 	fi