diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
index dfd4e97ed2..eeeb84f4a4 100644
--- a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
@@ -7,9 +7,9 @@ get_magic_long_at() {
 }
 
 platform_expected_image() {
-	local machine=$(board_name)
+	local model="$(cat /tmp/sysinfo/model)"
 
-	case "$machine" in
+	case "$model" in
 		"Netgear WGR614 V8")	echo "chk U12H072T00_NETGEAR"; return;;
 		"Netgear WGR614 V9")	echo "chk U12H094T00_NETGEAR"; return;;
 		"Netgear WGR614 V10")	echo "chk U12H139T01_NETGEAR"; return;;