Index: uspace/lib/usb/src/addrkeep.c
===================================================================
--- uspace/lib/usb/src/addrkeep.c	(revision 993a1e1995b1035532146dda015f2c0bc264569e)
+++ uspace/lib/usb/src/addrkeep.c	(revision 621afdb4b44504ffb996f05acf3aad6ffeceb1ff)
@@ -149,4 +149,5 @@
 			&addresses->default_condvar_guard);
 	}
+	addresses->default_available = false;
 	fibril_mutex_unlock(&addresses->default_condvar_guard);
 }