diff --git a/block/elevator.c b/block/elevator.c
index 293c5c81397a..440699c28119 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -621,7 +621,8 @@ static inline bool elv_support_iosched(struct request_queue *q)
  */
 static struct elevator_type *elevator_get_default(struct request_queue *q)
 {
-	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);