diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index dcc941a..8ed88f3 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -410,7 +410,7 @@
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
 	struct w83781d_data *data = dev_get_drvdata(dev); \
 	int nr = attr->index; \
-	s32 val; \
+	long val; \
 	 \
 	val = simple_strtol(buf, NULL, 10); \
 	 \