diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index a633bedd5..0d139be04 100644
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -361,7 +361,7 @@ mwan3_delete_iface_ipset_entries()
 
 mwan3_track()
 {
-	local track_ip track_ips reliability count timeout interval down up
+	local track_ip track_ips reliability count timeout interval down up size
 
 	mwan3_list_track_ips()
 	{
@@ -381,8 +381,9 @@ mwan3_track()
 		config_get interval $1 interval 10
 		config_get down $1 down 5
 		config_get up $1 up 5
+		config_get size $1 size 56
 
-		[ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $1 $2 $reliability $count $timeout $interval $down $up $track_ips &
+		[ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $1 $2 $reliability $count $timeout $interval $down $up $size $track_ips &
 	fi
 }
 
diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 35f97fe0d..ca541714c 100755
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-[ -z "$9" ] && echo "Error: should not be started manually" && exit 0
+[ -z "$10" ] && echo "Error: should not be started manually" && exit 0
 
 if [ -e /var/run/mwan3track-$1.pid ] ; then
 	kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
@@ -17,7 +17,7 @@ lost=0
 while true; do
 
 	for track_ip in $track_ips; do
-		ping -I $2 -c $4 -W $5 -q $track_ip &> /dev/null
+		ping -I $2 -c $4 -W $5 -s $9 -q $track_ip &> /dev/null
 		if [ $? -eq 0 ]; then
 			let host_up_count++
 		else