1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index df08a9fa3a1f..2acea4025243 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2164,7 +2164,7 @@ static int run(mddev_t *mddev)
         /*
          * Ok, everything is just fine now
          */
-        mddev->array_size = size << (conf->chunk_shift-1);
+        mddev->array_sectors = size << conf->chunk_shift;
         mddev->resync_max_sectors = size << conf->chunk_shift;
 
         mddev->queue->unplug_fn = raid10_unplug;