--- libaitsched/src/tasks.c	2013/08/26 07:30:07	1.18.2.1
+++ libaitsched/src/tasks.c	2013/08/26 07:40:06	1.18.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: tasks.c,v 1.18.2.1 2013/08/26 07:30:07 misho Exp $
+* $Id: tasks.c,v 1.18.2.2 2013/08/26 07:40:06 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -158,13 +158,16 @@ _sched_rtcWrapper(sched_task_t *t)
 {
 	void *ret = NULL;
 	sched_task_func_t func;
+	sched_task_t *task;
 
-	if (!t || !TASK_ROOT(t))
+	if (!t || !TASK_ROOT(t) || !TASK_DATA(t))
 		return NULL;
-	else
-		func = TASK_FUNC(t);
+	else {
+		task = (sched_task_t*) TASK_DATA(t);
+		func = TASK_FUNC(task);
+	}
 
-	ret = func(t);
+	ret = func(task);
 	timer_delete((timer_t) TASK_DATLEN(t));
 	return ret;
 }