1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 637a96855edb..75671dfee551 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -670,6 +670,7 @@ static void *raid0_takeover_raid1(mddev_t *mddev)
         mddev->new_layout = 0;
         mddev->new_chunk_sectors = 128; /* by default set chunk size to 64k */
         mddev->delta_disks = 1 - mddev->raid_disks;
+        mddev->raid_disks = 1;
         /* make sure it will be not marked as dirty */
         mddev->recovery_cp = MaxSector;