diff --git a/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend b/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
index b938437..43a6f17 100644
--- a/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
+++ b/meta-ampere/meta-jade/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
@@ -16,7 +16,7 @@
 
 ITEMSFMT = "ahb/apb/{0}.conf"
 
-ITEMS = "${@compose_list(d, 'ITEMSFMT', 'CHIPS_${MACHINE}')}"
+ITEMS = "${@compose_list(d, 'ITEMSFMT', 'CHIPS:${MACHINE}')}"
 
 ITEMS += "iio-hwmon.conf iio-hwmon-adc14.conf iio-hwmon-battery.conf"