diff --git a/sys/dev/usb/quirk/usb_quirk.c b/sys/dev/usb/quirk/usb_quirk.c
index 98515be2a06..a0a7b3fc75a 100644
--- a/sys/dev/usb/quirk/usb_quirk.c
+++ b/sys/dev/usb/quirk/usb_quirk.c
@@ -558,6 +558,7 @@ static struct usb_quirk_entry usb_quirks[USB_DEV_QUIRKS_MAX] = {
 	USB_QUIRK(WESTERN, MYPASSPORTES_07, 0x0000, 0xffff, UQ_MSC_NO_SYNC_CACHE),
 	USB_QUIRK(WESTERN, MYPASSPORTES_08, 0x0000, 0xffff, UQ_MSC_NO_SYNC_CACHE),
 	USB_QUIRK(WESTERN, MYPASSPORTES_09, 0x0000, 0xffff, UQ_MSC_NO_SYNC_CACHE),
+	USB_QUIRK(WESTERN, MYPASSPORTUL_00, 0x0000, 0xffff, UQ_MSC_NO_TEST_UNIT_READY),
 	USB_QUIRK(WINMAXGROUP, FLASH64MC, 0x0000, 0xffff, UQ_MSC_FORCE_WIRE_BBB,
 	    UQ_MSC_FORCE_PROTO_SCSI, UQ_MSC_NO_INQUIRY),
 	USB_QUIRK(YANO, FW800HD, 0x0000, 0xffff, UQ_MSC_FORCE_WIRE_BBB,
diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs
index 6543f0cbaa2..221761af4fe 100644
--- a/sys/dev/usb/usbdevs
+++ b/sys/dev/usb/usbdevs
@@ -4944,6 +4944,7 @@ product WESTERN MYPASSPORTES_06	0x0750	MyPassport Essential External HDD
 product WESTERN MYPASSPORTES_07	0x0752	MyPassport Essential External HDD
 product WESTERN MYPASSPORTES_08	0x07A0	MyPassport Essential External HDD
 product WESTERN MYPASSPORTES_09	0x07A2	MyPassport Essential External HDD
+product WESTERN MYPASSPORTUL_00	0x0743	MyPassport Ultra External HDD
 
 /* WeTelecom products */
 product WETELECOM WM_D200	0x6801	WM-D200