Index: uspace/srv/taskman/event.c
===================================================================
--- uspace/srv/taskman/event.c	(revision fcc4f86d7fd9bed9d06c7a801f3f244ac6b14e20)
+++ uspace/srv/taskman/event.c	(revision ce0842192e830876234c8f0238491e6befb0cb50)
@@ -94,6 +94,5 @@
 		assert(t->sess);
 		async_exch_t *exch = async_exchange_begin(t->sess);
-		/* Just send a notification and don't wait for anything */
-		async_send_5(exch, TASKMAN_EV_TASK,
+		aid_t req = async_send_5(exch, TASKMAN_EV_TASK,
 		    LOWER32(sender->id),
 		    UPPER32(sender->id),
@@ -104,4 +103,7 @@
 
 		async_exchange_end(exch);
+
+		/* Just send a notification and don't wait for anything */
+		async_forget(req);
 	}
 	fibril_rwlock_read_unlock(&listeners_lock);