diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 03acadc3a6cb..14b2547adae8 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -1862,7 +1862,7 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
 		data->pwm[CONTROL][index] &= ~0xE0;
 		data->pwm[CONTROL][index] |= (7 << 5);
 
-		i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index),
+		i2c_smbus_write_byte_data(client, PWM_REG(index),
 					  data->pwm[INPUT][index]);
 
 		i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index),