Index: uspace/lib/usb/src/addrkeep.c
===================================================================
--- uspace/lib/usb/src/addrkeep.c	(revision aa389fd6a84edabfabc05fac7d48ea5efa777da5)
+++ uspace/lib/usb/src/addrkeep.c	(revision 9f5667a36bc0afd980d3511a17fa44b2c73df117)
@@ -149,4 +149,5 @@
 			&addresses->default_condvar_guard);
 	}
+	addresses->default_available = false;
 	fibril_mutex_unlock(&addresses->default_condvar_guard);
 }