1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index d76c87f2a831..8695809b24b0 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -312,7 +312,7 @@ static int run(mddev_t *mddev)
         list_for_each_entry(rdev, &mddev->disks, same_set)
                 conf->rdev = rdev;
 
-        mddev->array_sectors = faulty_size(mddev, 0, 0);
+        md_set_array_sectors(mddev, faulty_size(mddev, 0, 0));
         mddev->private = conf;
 
         reconfig(mddev, mddev->layout, -1);