diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 0c12b0fddd..e2f3cc8ade 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -895,6 +895,7 @@ static int usb_host_initfn(USBDevice *udev)
     USBHostDevice *s = USB_HOST_DEVICE(udev);
 
     loglevel = s->loglevel;
+    udev->flags |= (1 << USB_DEV_FLAG_IS_HOST);
     udev->auto_attach = 0;
     QTAILQ_INIT(&s->requests);
     QTAILQ_INIT(&s->isorings);