diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index b6470ec..9d63d71 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1199,7 +1199,8 @@
 
 static int watchdog_set_timeout(struct w83793_data *data, int timeout)
 {
-	int ret, mtimeout;
+	unsigned int mtimeout;
+	int ret;
 
 	mtimeout = DIV_ROUND_UP(timeout, 60);