Index: /trunk/src/VBox/ValidationKit/tests/usb/tdUsb1.py
===================================================================
--- /trunk/src/VBox/ValidationKit/tests/usb/tdUsb1.py	(revision 60633)
+++ /trunk/src/VBox/ValidationKit/tests/usb/tdUsb1.py	(revision 60634)
@@ -320,5 +320,5 @@
                 iBusId, _ = oUsbGadget.getGadgetBusAndDevId();
                 fRc = oSession.addUsbDeviceFilter('Compliance device', sVendorId = '0525', sProductId = 'a4a0', \
-                                                  sPort = str(iBusId));
+                                                  sPort = format(iBusId, 'x'));
                 if fRc is True: