diff --git a/packages/bsp/rockpis/etc/udev/lib/udev/fixEtherAddr b/packages/bsp/rockpis/etc/udev/lib/udev/fixEtherAddr
deleted file mode 100755
index 7830fa23ad..0000000000
--- a/packages/bsp/rockpis/etc/udev/lib/udev/fixEtherAddr
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/sh
-#Assign specified interface a fixed, unique Ethernet MAC address constructed
-#from given prefix byte followed by five byte RK3308 CPU serial number
-#Ethernet prefix byte value less 2 should be exactly divisible by 4
-#e.g. (prefix - 2) % 4 == 0
-
-[ "$2" ] || {
-  echo "Specify network interface and first Ethernet address byte in hex" >&2
-  exit 1
-}
-
-cpuSerialNum() {
-#output first 5 bytes of CPU Serial number in hex with a space between each
-#nvmem on RK3308 does not handle multiple simultaneous readers :-(
-  nvmem=/sys/bus/nvmem/devices/rockchip-otp0/nvmem
-  serNumOffset=20
-  /bin/flock -w2 $nvmem /bin/od -An -vtx1 -j $serNumOffset -N 5 $nvmem
-}
-
-Id=`cpuSerialNum` && { #fail if Rockchip nvmem not available
-  /sbin/ip link set $1 address $2:`echo $Id | tr ' ' :`
-}
diff --git a/packages/bsp/rockpis/lib/udev/fixEtherAddr b/packages/bsp/rockpis/lib/udev/fixEtherAddr
index 0abe6ad136..7830fa23ad 100755
--- a/packages/bsp/rockpis/lib/udev/fixEtherAddr
+++ b/packages/bsp/rockpis/lib/udev/fixEtherAddr
@@ -17,5 +17,6 @@ cpuSerialNum() {
   /bin/flock -w2 $nvmem /bin/od -An -vtx1 -j $serNumOffset -N 5 $nvmem
 }
 
-Id=`cpuSerialNum` || exit #fail if Rockchip nvmem not available
-/sbin/ifconfig $1 hw ether $2:`echo $Id | tr ' ' :`
+Id=`cpuSerialNum` && { #fail if Rockchip nvmem not available
+  /sbin/ip link set $1 address $2:`echo $Id | tr ' ' :`
+}