diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 62c9681fe92f09fd6cd998ddd2850b25bf6b4d30..c6b6276cada84a155f254ce20276be871cae3394 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1916,7 +1916,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
 	INIT_LIST_HEAD(&c->btree_cache_freed);
 	INIT_LIST_HEAD(&c->data_buckets);
 
-	iter_size = (sb->bucket_size / sb->block_size + 1) *
+	iter_size = ((meta_bucket_pages(sb) * PAGE_SECTORS) / sb->block_size + 1) *
 		sizeof(struct btree_iter_set);
 
 	c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL);