Index: uspace/lib/usbhost/src/bus.c
===================================================================
--- uspace/lib/usbhost/src/bus.c	(revision 351113f27ed8ddcf47c423a4d80d12f1be2c4469)
+++ uspace/lib/usbhost/src/bus.c	(revision 99a00a6d21fbb674448c3c3fd2cdc05ebacff3c8)
@@ -180,5 +180,5 @@
 {
 	assert(dev);
-	assert(dev->fun == NULL);
+	assert(dev->fun != NULL);
 
 	const bus_ops_t *ops = BUS_OPS_LOOKUP(dev->bus->ops, device_gone);