diff --git a/net/mwan3/Makefile b/net/mwan3/Makefile
index 01f9e07f6..5387cd9df 100644
--- a/net/mwan3/Makefile
+++ b/net/mwan3/Makefile
@@ -8,9 +8,9 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mwan3
-PKG_VERSION:=2.0
-PKG_RELEASE:=3
-PKG_MAINTAINER:=Jeroen Louwes <jeroen.louwes@gmail.com>
+PKG_VERSION:=2.0.1
+PKG_RELEASE:=1
+PKG_MAINTAINER:=Florian Eckert <fe@dev.tdt.de>
 PKG_LICENSE:=GPLv2
 
 include $(INCLUDE_DIR)/package.mk
@@ -21,7 +21,6 @@ define Package/mwan3
    SUBMENU:=Routing and Redirection
    DEPENDS:=+ip +ipset +iptables +iptables-mod-conntrack-extra +iptables-mod-ipopt
    TITLE:=Multiwan hotplug script with connection tracking support
-   MAINTAINER:=Jeroen Louwes <jeroen.louwes@gmail.com>
    PKGARCH:=all
 endef
 
diff --git a/net/mwan3/files/etc/hotplug.d/iface/15-mwan3 b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
index 86e60e133..0e4c8ee38 100644
--- a/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
+++ b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3
@@ -4,11 +4,6 @@
 . /lib/functions/network.sh
 . /lib/mwan3/mwan3.sh
 
-config_load mwan3
-
-config_get enabled $INTERFACE enabled 0
-[ "$enabled" == "1" ] || exit 0
-
 [ "$ACTION" == "ifup" -o "$ACTION" == "ifdown" ] || exit 1
 [ -n "$INTERFACE" ] || exit 2
 
@@ -22,6 +17,14 @@ fi
 [ -x /usr/sbin/ip6tables ] || exit 7
 [ -x /usr/bin/logger ] || exit 8
 
+mwan3_lock
+mwan3_set_connected_iptables
+mwan3_unlock
+
+config_load mwan3
+config_get enabled $INTERFACE enabled 0
+[ "$enabled" == "1" ] || exit 0
+
 config_get family $INTERFACE family ipv4
 
 if [ "$family" == "ipv4" ]; then
@@ -30,12 +33,13 @@ elif [ "$family" == "ipv6" ]; then
 	network_get_gateway6 gateway $INTERFACE
 fi
 
-[ -n "$gateway" ] || exit 9
+if [ "$ACTION" == "ifup" ]; then
+	[ -n "$gateway" ] || exit 9
+fi
 
+mwan3_lock
 $LOG notice "$ACTION interface $INTERFACE (${DEVICE:-unknown})"
 
-mwan3_set_connected_iptables
-
 case "$ACTION" in
 	ifup)
 		mwan3_set_general_rules
@@ -49,7 +53,6 @@ case "$ACTION" in
 	;;
 	ifdown)
 		mwan3_delete_iface_rules $INTERFACE
-		mwan3_delete_iface_iptables $INTERFACE
 		mwan3_delete_iface_route $INTERFACE
 		mwan3_delete_iface_ipset_entries $INTERFACE
 		mwan3_set_policies_iptables
@@ -57,4 +60,6 @@ case "$ACTION" in
 	;;
 esac
 
+mwan3_unlock
+
 exit 0
diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index 1e1de969f..2bba6f9a3 100644
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -7,6 +7,18 @@ IPT4="/usr/sbin/iptables -t mangle -w"
 IPT6="/usr/sbin/ip6tables -t mangle -w"
 LOG="/usr/bin/logger -t mwan3 -p"
 
+mwan3_lock() {
+	lock /var/run/mwan3.lock
+}
+
+mwan3_unlock() {
+	lock -u /var/run/mwan3.lock
+}
+
+mwan3_lock_clean() {
+	rm -rf /var/run/mwan3.lock
+}
+
 mwan3_get_iface_id()
 {
 	local _tmp _iface _iface_count
diff --git a/net/mwan3/files/usr/sbin/mwan3 b/net/mwan3/files/usr/sbin/mwan3
index 405cd43f3..b3285b6f6 100755
--- a/net/mwan3/files/usr/sbin/mwan3
+++ b/net/mwan3/files/usr/sbin/mwan3
@@ -46,6 +46,7 @@ ifdown()
 		kill $(cat /var/run/mwan3track-$1.pid)
 		rm /var/run/mwan3track-$1.pid
 	fi
+	mwan3_delete_iface_iptables $1
 }
 
 ifup()
@@ -163,6 +164,8 @@ stop()
 	for ipset in $($IPS -n list | grep mwan3 | grep -E '_v4|_v6'); do
 		$IPS -q destroy $ipset
 	done
+
+	mwan3_lock_clean
 }
 
 restart() {
diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 35f97fe0d..326d8ab52 100755
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -59,7 +59,8 @@ while true; do
 	fi
 
 	host_up_count=0
-	sleep $6
+	sleep $6 &
+	wait
 done
 
 exit 1