diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 39e9a91..9e3f441 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1381,6 +1381,12 @@
 		goto fail;
 	}
 
+	write_lock_irq(&global_state_lock);
+	retcode = drbd_resync_after_valid(mdev, new_disk_conf->resync_after);
+	write_unlock_irq(&global_state_lock);
+	if (retcode != NO_ERROR)
+		goto fail;
+
 	rcu_read_lock();
 	nc = rcu_dereference(mdev->tconn->net_conf);
 	if (nc) {