diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index f0ebcc42e..561aaede6 100644
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -390,10 +390,7 @@ mwan3_track()
 	}
 	config_list_foreach $1 track_ip mwan3_list_track_ips
 
-	if [ -e /var/run/mwan3track-$1.pid ] ; then
-		kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
-	fi
-
+	kill $(pgrep -f "mwan3track $1") &> /dev/null
 	if [ -n "$track_ips" ]; then
 		[ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $1 $2 $track_ips &
 	fi
@@ -401,18 +398,13 @@ mwan3_track()
 
 mwan3_track_signal()
 {
-	local pid status
+	local pid
 
-	if [ -f "/var/run/mwan3track-${1}.pid" ]; then
-		pid="$(cat "/var/run/mwan3track-${1}.pid")"
-		status="$(pgrep -f mwan3track | grep "${pid}")"
-		if [ "${status}" != "" ]; then
-			kill -USR1 "${pid}"
-		else
-			$LOG warn "Unable to send signal USR1 to mwan3track on interface $1 with pid ${pid}"
-		fi
+	pid="$(pgrep -f "mwan3track $1")"
+	if [ "${pid}" != "" ]; then
+		kill -USR1 "${pid}"
 	else
-		$LOG warn "Unable to find \"/var/run/mwan3track-${1}.pid\" file for mwan3track on interface $1"
+		$LOG warn "Unable to send signal USR1 to mwan3track on interface $1 with pid ${pid}"
 	fi
 }
 
diff --git a/net/mwan3/files/usr/libexec/rpcd/mwan3 b/net/mwan3/files/usr/libexec/rpcd/mwan3
index 028dafe1d..2b8046068 100755
--- a/net/mwan3/files/usr/libexec/rpcd/mwan3
+++ b/net/mwan3/files/usr/libexec/rpcd/mwan3
@@ -34,16 +34,12 @@ get_mwan3_status() {
 	local iface="${1}"
 	local iface_select="${2}"
 	local running="0"
-	local pid=""
-	local status=""
+	local pid
 
 	if [ "${iface}" = "${iface_select}" ] || [ "${iface_select}" = "" ]; then
-		if [ -f "${MWAN3_PID_FILE}-${iface}.pid" ]; then
-			pid="$(cat "${MWAN3_PID_FILE}-${iface}.pid")"
-			status="$(pgrep -f mwan3track | grep "${pid}")"
-			if [ "${status}" != "" ]; then
-				running="1"
-			fi
+		pid="$(pgrep -f "mwan3track $iface_selected")"
+		if [ "${pid}" != "" ]; then
+			running="1"
 		fi
 
 		json_add_object "${iface}"
diff --git a/net/mwan3/files/usr/sbin/mwan3 b/net/mwan3/files/usr/sbin/mwan3
index 63617316c..10dc86f8f 100755
--- a/net/mwan3/files/usr/sbin/mwan3
+++ b/net/mwan3/files/usr/sbin/mwan3
@@ -42,9 +42,7 @@ ifdown()
 
 	ACTION=ifdown INTERFACE=$1 /sbin/hotplug-call iface
 
-	if [ -e /var/run/mwan3track-$1.pid ] ; then
-		kill $(cat /var/run/mwan3track-$1.pid)
-	fi
+	kill $(pgrep -f "mwan3track $1") &> /dev/null
 }
 
 ifup()
diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 0d7b5ab5d..58a31f0ca 100755
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -10,8 +10,9 @@ IFDOWN_EVENT=0
 
 clean_up() {
 	$LOG notice "Stopping mwan3track for interface \"${INTERFACE}\""
-	rm "/var/run/mwan3track-${INTERFACE}.pid" &> /dev/null
-	rm -rf "/var/run/mwan3track/${INTERFACE}" &> /dev/null
+	if [ "$(pgrep -f "mwan3track ${INTERFACE}")" = "" ]; then
+		rm -rf "/var/run/mwan3track/${INTERFACE}" &> /dev/null
+	fi
 	if [ -z "$(ls -A "/var/run/mwan3track")" ]; then
 		rm -rf "/var/run/mwan3track"
 	fi
@@ -31,7 +32,6 @@ main() {
 
 	INTERFACE=$1
 	DEVICE=$2
-	echo "$$" > /var/run/mwan3track-$1.pid
 	mkdir -p /var/run/mwan3track/$1
 	trap clean_up SIGINT SIGTERM
 	trap if_down SIGUSR1
@@ -103,7 +103,6 @@ main() {
 			if [ $score -eq $up ]; then
 				$LOG notice "Interface $1 ($2) is online"
 				env -i ACTION=ifup INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
-				rm /var/run/mwan3track-$1.pid
 				rm -rf "/var/run/mwan3track/${1}" &> /dev/null
 				exit 0
 			fi