diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 6d9fd5f649036e8fb47c39eaeffa26f856724e99..7b306aa22d2589518d696111cb2750bdc3bed4c0 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -314,6 +314,7 @@ static void yurex_disconnect(struct usb_interface *interface)
 	usb_deregister_dev(interface, &yurex_class);
 
 	/* prevent more I/O from starting */
+	usb_poison_urb(dev->urb);
 	mutex_lock(&dev->io_mutex);
 	dev->interface = NULL;
 	mutex_unlock(&dev->io_mutex);