diff --git a/block/elevator.c b/block/elevator.c
index 76f70f679a1bdb40a9393cd7f74e92c83ccf7a48..b66afb571e15868b8fd54bc2483bf6570568fb77 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -630,7 +630,8 @@ static struct elevator_type *elevator_get_default(struct request_queue *q)
 	if (q->tag_set && q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT)
 		return NULL;
 
-	if (q->nr_hw_queues != 1)
+	if (q->nr_hw_queues != 1 &&
+			!blk_mq_is_sbitmap_shared(q->tag_set->flags))
 		return NULL;
 
 	return elevator_get(q, "mq-deadline", false);