diff --git a/reactos/drivers/usb/usbport/queue.c b/reactos/drivers/usb/usbport/queue.c
index 3ef29a98b33..75f2f45ef02 100644
--- a/reactos/drivers/usb/usbport/queue.c
+++ b/reactos/drivers/usb/usbport/queue.c
@@ -1042,7 +1042,7 @@ USBPORT_QueuePendingTransferIrp(IN PIRP Irp)
 
     IoSetCancelRoutine(Irp, USBPORT_CancelPendingTransferIrp);
 
-    if (Irp->Cancel && !IoSetCancelRoutine(Irp, NULL))
+    if (Irp->Cancel && IoSetCancelRoutine(Irp, NULL))
     {
         USBPORT_CompleteTransfer(Urb, USBD_STATUS_CANCELED);
     }