Index: uspace/lib/usb/src/addrkeep.c
===================================================================
--- uspace/lib/usb/src/addrkeep.c	(revision aa389fd6a84edabfabc05fac7d48ea5efa777da5)
+++ uspace/lib/usb/src/addrkeep.c	(revision ff244e6b3c292cefe297c5e3d258f40aa520583d)
@@ -149,4 +149,5 @@
 			&addresses->default_condvar_guard);
 	}
+	addresses->default_available = false;
 	fibril_mutex_unlock(&addresses->default_condvar_guard);
 }