diff --git a/docs/backup-guide.rst b/docs/backup-guide.rst
index ef7a848..a3c15af 100644
--- a/docs/backup-guide.rst
+++ b/docs/backup-guide.rst
@@ -14,6 +14,11 @@ forget to ``chown`` them to ``virtualMail:virtualMail`` if you copy them
 back (or whatever you specified as ``vmailUserName``, and
 ``vmailGoupName``).
 
+If you enabled ``enableManageSieve`` then you also may want to backup
+``/var/sieve`` or whatever you have specified as ``sieveDirectory``.
+The same considerations regarding file ownership apply as for the
+Maildir.
+
 Finally you can (optionally) make a backup of ``/var/dkim`` (or whatever
 you specified as ``dkimKeyDirectory``). If you should lose those don’t
 worry, new ones will be created on the fly. But you will need to repeat