diff --git a/block/blk-mq.c b/block/blk-mq.c
index b1dbc4b..15c7c5c 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4559,7 +4559,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
 
 	list_for_each_entry(q, &set->tag_list, tag_set_list) {
 		blk_mq_debugfs_unregister_hctxs(q);
-		blk_mq_sysfs_unregister(q);
+		blk_mq_sysfs_unregister_hctxs(q);
 	}
 
 	prev_nr_hw_queues = set->nr_hw_queues;
@@ -4590,7 +4590,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
 
 reregister:
 	list_for_each_entry(q, &set->tag_list, tag_set_list) {
-		blk_mq_sysfs_register(q);
+		blk_mq_sysfs_register_hctxs(q);
 		blk_mq_debugfs_register_hctxs(q);
 	}