diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 359a0c02652826cfe64084d87e5f87048b204707..a546b375169555343cb9c708854020296557c912 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1030,7 +1030,7 @@ static struct uart_driver sunzilog_reg = {
 	.owner		=	THIS_MODULE,
 	.driver_name	=	"ttyS",
 #ifdef CONFIG_DEVFS_FS
-	.dev_name	=	"ttyS%d",
+	.dev_name	=	"tts/%d",
 #else
 	.dev_name	=	"ttyS%d",
 #endif