diff --git a/data/sql/updates/pending_db_auth/rev_1546540718864817294.sql b/data/sql/updates/pending_db_auth/rev_1546540718864817294.sql
new file mode 100644
index 000000000..f203532db
--- /dev/null
+++ b/data/sql/updates/pending_db_auth/rev_1546540718864817294.sql
@@ -0,0 +1,6 @@
+INSERT INTO version_db_auth (`sql_rev`) VALUES ('1546540718864817294');
+
+ALTER TABLE `account` CHANGE `last_login` `last_login` TIMESTAMP NULL DEFAULT NULL;
+ALTER TABLE `account` CHANGE `email` `email` VARCHAR(255) NOT NULL DEFAULT '';
+
+UPDATE `account` SET `last_login`=NULL WHERE `last_login`='0000-00-00 00:00:00';