diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index 372964635ccf..3052eb150099 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -327,7 +327,7 @@ int hid_sensor_format_scale(u32 usage_id,
 	*val0 = 1;
 	*val1 = 0;
 
-	for (i = 0; ARRAY_SIZE(unit_conversion); ++i) {
+	for (i = 0; i < ARRAY_SIZE(unit_conversion); ++i) {
 		if (unit_conversion[i].usage_id == usage_id &&
 			unit_conversion[i].unit == attr_info->units) {
 			exp  = hid_sensor_convert_exponent(