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 0ca15eb7f8c33a5a8fb11dcb843adcec20b6a453)
@@ -475,4 +475,5 @@
 	/* Acknowledge timer fibril has finished cleanup. */
 	timer->state = fts_clean;
+	fibril_condvar_broadcast(&timer->cv);
 	fibril_mutex_unlock(&timer->lock);