diff --git a/drivers/md/md.c b/drivers/md/md.c
index bd15a18485c8..cd89ad3c3a0d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6450,11 +6450,10 @@ static int set_array_info(struct mddev *mddev, mdu_array_info_t *info)
 	mddev->layout        = info->layout;
 	mddev->chunk_sectors = info->chunk_size >> 9;
 
-	mddev->max_disks     = MD_SB_DISKS;
-
 	if (mddev->persistent) {
-		mddev->flags         = 0;
-		mddev->sb_flags         = 0;
+		mddev->max_disks = MD_SB_DISKS;
+		mddev->flags = 0;
+		mddev->sb_flags = 0;
 	}
 	set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);