diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
index ebd3fc8000e5e414bb5d094720c05d77120a01bb..8f89948832fc3e46d868685f900a84b26f83e273 100644
--- a/drivers/char/watchdog/iTCO_wdt.c
+++ b/drivers/char/watchdog/iTCO_wdt.c
@@ -494,7 +494,7 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
 		}
 
 		default:
-			return -ENOIOCTLCMD;
+			return -ENOTTY;
 	}
 }
 
diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
index e7f0450a939d9cf686f78ba957052e15d4b1285f..db2731ba88e303c48a2333cf424fff0937acbceb 100644
--- a/drivers/char/watchdog/pnx4008_wdt.c
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -184,7 +184,7 @@ static int
 pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		  unsigned long arg)
 {
-	int ret = -ENOIOCTLCMD;
+	int ret = -ENOTTY;
 	int time;
 
 	switch (cmd) {