diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index bbcfc26a3b6d4f306b97ca025793b482ed124f03..6db9f13b622544bd0a8b7ad7705fda89ad0a81fa 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -333,6 +333,7 @@ static const struct pnp_device_id pnp_dev_table[] = {
 	{       "WACF006",              0       },
 	{       "WACF007",              0       },
 	{       "WACF008",              0       },
+	{       "WACF009",              0       },
 	/* Compaq touchscreen */
 	{       "FPI2002",              0 },
 	/* Fujitsu Stylistic touchscreens */