diff --git a/files/usr/local/bin/get_boardid b/files/usr/local/bin/get_boardid
index 5adc4e91..9c8d9fbd 100755
--- a/files/usr/local/bin/get_boardid
+++ b/files/usr/local/bin/get_boardid
@@ -7,7 +7,7 @@ if [ ! -f /tmp/sysinfo/boardid ]; then
   . /lib/ar71xx.sh
   ar71xx_board_detect
 
-  case $AR71XX_MODEL in
+  case $AR71XX_BOARD_NAME in
     *-m-xw)
       BOARDID=$(dd if=/dev/mtd7 bs=1 skip=12 count=2 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')
       BOARDID="0x${BOARDID}"