diff --git a/files/initrd/opt/arc/boot.sh b/files/initrd/opt/arc/boot.sh
index d58477a6..fbb138dc 100755
--- a/files/initrd/opt/arc/boot.sh
+++ b/files/initrd/opt/arc/boot.sh
@@ -123,7 +123,7 @@ CMDLINE['root']="/dev/md0"
 CMDLINE['loglevel']="15"
 CMDLINE['log_buf_len']="32M"
 CMDLINE['sn']="${SN}"
-# CMDLINE['net.ifnames']="0"
+CMDLINE['net.ifnames']="0"
 CMDLINE['netif_num']="0"
 if [ "${MACSYS}" = "hardware" ]; then
   [[ -z "${MAC1}" && -n "${MAC2}" ]] && MAC1=${MAC2} && MAC2="" # Sanity check
diff --git a/files/p1/boot/grub/grub.cfg b/files/p1/boot/grub/grub.cfg
index a5a118c8..ac79b4ce 100644
--- a/files/p1/boot/grub/grub.cfg
+++ b/files/p1/boot/grub/grub.cfg
@@ -67,8 +67,7 @@ function set_gfxpayload {
 }
 
 set TERM=tty2
-# set ARC_CMDLINE="net.ifnames=0"
-set ARC_CMDLINE=""
+set ARC_CMDLINE="net.ifnames=0"
 
 search --set=root --label "ARC3"
 if [ -s /zImage-dsm -a -s /initrd-dsm ]; then