Index: uspace/lib/c/generic/fibril_synch.c
===================================================================
--- uspace/lib/c/generic/fibril_synch.c	(revision 53f68fd038cbfc97249287d7997bce6e78828e0f)
+++ uspace/lib/c/generic/fibril_synch.c	(revision 8f0dc26a2ce78c22ded0e243db4323dd16b79bc4)
@@ -475,4 +475,5 @@
 	/* Acknowledge timer fibril has finished cleanup. */
 	timer->state = fts_clean;
+	fibril_condvar_broadcast(&timer->cv);
 	fibril_mutex_unlock(&timer->lock);