diff --git a/map-agent/files/etc/hotplug.d/ethernet/map-dynamic-backhaul b/map-agent/files/etc/hotplug.d/ethernet/map-dynamic-backhaul
index ec355b930..143b9bfb6 100755
--- a/map-agent/files/etc/hotplug.d/ethernet/map-dynamic-backhaul
+++ b/map-agent/files/etc/hotplug.d/ethernet/map-dynamic-backhaul
@@ -90,7 +90,8 @@ if [ "$LINK" = "up" ]; then
 	config_foreach remove_from_bridge bsta
 	config_foreach update_bstas bsta down
 
-	/lib/wifi/multiap set_uplink "eth" "$PORT"
+	hwaddr="$(ifconfig $PORT | grep -i hwaddr | awk '{print $5}' | awk '{print tolower($0)}')"
+	/lib/wifi/multiap set_uplink "eth" "$PORT" "$hwaddr"
 else
 	/lib/wifi/multiap unset_uplink "eth"
 	#rm -f "$map_bh_file"