@@ -133,7 +133,7 @@ public static synchronized void execute(Task task) {
 			task.executionAsked = true;
 			future = directExecute(task, task.remainingDelay);
 		}
-		if (task.id != null || task.serial != null) {
+		if ((task.id != null || task.serial != null) && !task.managed.get()) {
 			/* keep task */
 			task.future = future;
 			TASKS.add(task);
Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,7 @@ public static synchronized void execute(Task task) {`
`133`	`133`	`task.executionAsked = true;`
`134`	`134`	`future = directExecute(task, task.remainingDelay);`
`135`	`135`	`}`
`136`		`- if (task.id != null \|\| task.serial != null) {`
	`136`	`+ if ((task.id != null \|\| task.serial != null) && !task.managed.get()) {`
`137`	`137`	`/* keep task */`
`138`	`138`	`task.future = future;`
`139`	`139`	`TASKS.add(task);`