Index: uspace/drv/test1/test1.c
===================================================================
--- uspace/drv/test1/test1.c	(revision 424558affeefec651a36a1c2ef6e37c731c06347)
+++ uspace/drv/test1/test1.c	(revision 7551706b843aa33e309ce55169520d8c0aa5b8ce)
@@ -98,4 +98,5 @@
 	if (str_cmp(dev->name, "null") == 0) {
 		dev->ops = &char_device_ops;
+		add_device_to_class(dev, "virt-null");
 	} else if (dev->parent == NULL) {
 		register_child_verbose(dev, "cloning myself ;-)", "clone",