diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9160463b5f6860445bd4ffa68c9e066b8b711b40..734bc0996390f5c0ad0a7288aa3cd40256755e4b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5274,6 +5274,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 		if (mddev->degraded)
 			set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+		if (!err)
+			md_new_event(mddev);
 		md_wakeup_thread(mddev->thread);
 		return err;
 	}