diff --git a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
index 0632b6ee2..077fcc8bb 100755
--- a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
+++ b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
@@ -21,12 +21,26 @@ omr_intf_set() {
 	local multipath
 	config_get multipath "$1" multipath
 	config_get ifname "$1" ifname
+	config_get device "$1" device
 	config_get proto "$1" proto
+	devicename=$(echo "$device" | cut -d'/' -f3)
 
-	[ -n "$ifname" ] && [ -L /sys/class/net/${ifname} ] && ([ "$proto" = "static" ] || [ "$proto" = "dhcp" ]) && {
-		device=$(readlink -f /sys/class/net/${ifname})
-		[ "$(echo ${device} | grep virtual)" = "" ] && uci -q set network.$1.device="$device"
-	}
+	if [ -n "$ifname" ] && [ -L /sys/class/net/${ifname} ]; then
+		devicepath=$(readlink -f /sys/class/net/${ifname})
+		if [ -n "$devicepath" ] && [ "$(echo ${devicepath} | grep virtual)" = "" ]; then
+			uci -q set network.$1.modalias="$(cat /sys/class/net/${ifname}/device/uevent | grep MODALIAS | cut -d '=' -f2 | tr -d '\n')"
+			uci -q set network.$1.product="$(cat /sys/class/net/${ifname}/device/uevent | grep PRODUCT | cut -d '=' -f2 | tr -d '\n')"
+		elif [ -n "$devicepath" ] && [ "$(echo ${devicepath} | grep virtual)" != "" ]; then
+			uci -q delete network.$1.device
+			uci -q delete network.$1.modalias
+		fi
+	elif [ -n "$device" ] && [ -L /sys/bus/usb-serial/devices/${devicename} ]; then
+		devicepath=$(readlink -f /sys/bus/usb-serial/devices/${devicename})
+		[ -n "$devicepath" ] && {
+			uci -q set network.$1.modalias="$(cat /sys/bus/usb-serial/devices/${devicename}/device/uevent | grep MODALIAS | cut -d '=' -f2 | tr -d '\n')"
+			uci -q set network.$1.product="$(cat /sys/bus/usb-serial/devices/${devicename}/device/uevent | grep PRODUCT | cut -d '=' -f2 | tr -d '\n')"
+		}
+	fi
 
 	[ -z "$multipath" ] || [ "$multipath" = "off" ] && [ "$1" != "omrvpn" ] && [ "$1" != "glorytun" ] && return