diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 5677263bcf0dea99d8cb0e2850c7e334d8da6bf5..483cd757abd339a402ff6bd3ccf53dabd4b7eda1 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -485,7 +485,7 @@ static int adm9240_in_write(struct device *dev, u32 attr, int channel, long val)
 		reg = ADM9240_REG_IN_MIN(channel);
 		break;
 	case hwmon_in_max:
-		reg = ADM9240_REG_IN(channel);
+		reg = ADM9240_REG_IN_MAX(channel);
 		break;
 	default:
 		return -EOPNOTSUPP;