diff --git a/drivers/hwmon/asus_wmi_ec_sensors.c b/drivers/hwmon/asus_wmi_ec_sensors.c
index f612abc66c89..22a1459305a7 100644
--- a/drivers/hwmon/asus_wmi_ec_sensors.c
+++ b/drivers/hwmon/asus_wmi_ec_sensors.c
@@ -41,7 +41,7 @@
 #define ASUSWMI_MAX_BUF_LEN		128
 #define SENSOR_LABEL_LEN		16
 
-static u32 hwmon_attributes[] = {
+static u32 hwmon_attributes[hwmon_max] = {
 	[hwmon_chip]	= HWMON_C_REGISTER_TZ,
 	[hwmon_temp]	= HWMON_T_INPUT | HWMON_T_LABEL,
 	[hwmon_in]	= HWMON_I_INPUT | HWMON_I_LABEL,