diff --git a/src/superio/smsc/sch5545/acpi/superio.asl b/src/superio/smsc/sch5545/acpi/superio.asl
index c9a5f5a..7ef8fcf 100644
--- a/src/superio/smsc/sch5545/acpi/superio.asl
+++ b/src/superio/smsc/sch5545/acpi/superio.asl
@@ -470,7 +470,7 @@
 
 #ifdef SCH5545_SHOW_UARTB
 #define SUPERIO_UARTB_LDN 8
-	Device (UAR1)
+	Device (UAR2)
 	{
 		Name (_HID, EisaId ("PNP0501"))
 		Name (_UID, SUPERIO_UID(SER, SUPERIO_UARTB_LDN))