diff --git a/packages/bsp/common/etc/default/armbian-motd.dpkg-dist b/packages/bsp/common/etc/default/armbian-motd.dpkg-dist
index afcdd5de89..3dfad79f3d 100644
--- a/packages/bsp/common/etc/default/armbian-motd.dpkg-dist
+++ b/packages/bsp/common/etc/default/armbian-motd.dpkg-dist
@@ -7,7 +7,7 @@
 MOTD_DISABLE=""
 ONE_WIRE=""
 HIDE_IP_PATTERN="^dummy0|^lo"
-PRIMARY_INTERFACE="$(ls -1 /sys/class/net/ | grep -E "en|eth|wl" -m 1)"
+PRIMARY_INTERFACE="$(ip route | grep '^default' | sed "s/.*dev //" | cut -d" " -f1)"
 PRIMARY_DIRECTION="rx"
 STORAGE=/dev/sda1