diff --git a/sys/dev/rtwn/usb/rtwn_usb_attach.h b/sys/dev/rtwn/usb/rtwn_usb_attach.h
index 437787a7fc4..1b54e5409d2 100644
--- a/sys/dev/rtwn/usb/rtwn_usb_attach.h
+++ b/sys/dev/rtwn/usb/rtwn_usb_attach.h
@@ -156,7 +156,8 @@ static const STRUCT_USB_HOST_ID rtwn_devs[] = {
 	RTWN_RTL8821AU_DEV(EDIMAX,		EW7811UTC_2),
 	RTWN_RTL8821AU_DEV(HAWKING,		HD65U),
 	RTWN_RTL8821AU_DEV(MELCO,		WIU2433DM),
-	RTWN_RTL8821AU_DEV(NETGEAR,		A6100)
+	RTWN_RTL8821AU_DEV(NETGEAR,		A6100),
+	RTWN_RTL8821AU_DEV(REALTEK,		RTL8821AU)
 #undef RTWN_RTL8821AU_DEV
 };
 
diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs
index 356266d4959..3142a2abaa2 100644
--- a/sys/dev/usb/usbdevs
+++ b/sys/dev/usb/usbdevs
@@ -3957,6 +3957,7 @@ product REALTEK RTL8187B_2	0x8198	RTL8187B Wireless Adapter
 product REALTEK RTL8712		0x8712	RTL8712
 product REALTEK RTL8713		0x8713	RTL8713
 product REALTEK RTL8188CU_COMBO	0x8754	RTL8188CU
+product REALTEK RTL8821AU	0xa811	RTL8821AU
 product REALTEK RTL8723BU	0xb720	RTL8723BU
 product REALTEK RTL8192SU	0xc512	RTL8192SU
 product REALTEK RTL8812AU	0x8812  RTL8812AU Wireless Adapter