diff --git a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
index f00ff30e6..c8d8dca00 100755
--- a/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
+++ b/luci-app-openmptcprouter/root/etc/init.d/openmptcprouter
@@ -9,7 +9,8 @@ omr_intf_del() {
 }
 omr_intf_set() {
 	config_get multipath "$1" multipath
-	[ -n "$(ubus call system board | jsonfilter -e '@.board_name' | grep raspberry)" ] && [ -n "$(echo $iface | grep usb)" ] && {
+	config_get ifname "$1" ifname
+	[ -n "$(ubus call system board | jsonfilter -e '@.board_name' | grep raspberry)" ] && [ -n "$(echo $ifname | grep usb)" ] && {
 		uci -q set openmptcprouter.settings.scaling_min_freq=$(uci -q get openmptcprouter.settings.scaling_max_freq)
 	}
 	[ -z "$multipath" ] || [ "$multipath" = "off" ] && return
diff --git a/openmptcprouter/files/etc/uci-defaults/2020-omr-vpn b/openmptcprouter/files/etc/uci-defaults/2020-omr-vpn
index 3865598b6..f4c459726 100755
--- a/openmptcprouter/files/etc/uci-defaults/2020-omr-vpn
+++ b/openmptcprouter/files/etc/uci-defaults/2020-omr-vpn
@@ -10,7 +10,6 @@ if [ "$(uci -q get network.omrvpn)" = "" ]; then
 		set network.omrvpn.ip4table=vpn
 		set network.omrvpn.multipath=off
 		set network.omrvpn.leasetime=12h
-		set network.omrvpn.mtu=1400
 		commit network
 	EOF
 fi