diff --git a/administrator/components/com_admin/sql/updates/mysql/4.0.0-2019-03-30.sql b/administrator/components/com_admin/sql/updates/mysql/4.0.0-2019-03-30.sql
index 4088f565527c4..19f845ffd6bca 100644
--- a/administrator/components/com_admin/sql/updates/mysql/4.0.0-2019-03-30.sql
+++ b/administrator/components/com_admin/sql/updates/mysql/4.0.0-2019-03-30.sql
@@ -1,2 +1,2 @@
-ALTER TABLE `#__menu` ADD COLUMN `publish_up` datetime NULL DEFAULT NULL;
-ALTER TABLE `#__menu` ADD COLUMN `publish_down` datetime NULL DEFAULT NULL;
+ALTER TABLE `#__menu` ADD COLUMN `publish_up` datetime NOT NULL DEFAULT '0000-00-00 00:00:00';
+ALTER TABLE `#__menu` ADD COLUMN `publish_down` datetime NOT NULL DEFAULT '0000-00-00 00:00:00';
diff --git a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2019-03-30.sql b/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2019-03-30.sql
index 79d99a6a1b9d5..f3ce56ffcb477 100644
--- a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2019-03-30.sql
+++ b/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2019-03-30.sql
@@ -1,2 +1,2 @@
-ALTER TABLE "#__menu" ADD COLUMN "publish_up" timestamp without time zone;
-ALTER TABLE "#__menu" ADD COLUMN "publish_down" timestamp without time zone;
+ALTER TABLE "#__menu" ADD COLUMN "publish_up" timestamp without time zone DEFAULT '1970-01-01 00:00:00' NOT NULL;
+ALTER TABLE "#__menu" ADD COLUMN "publish_down" timestamp without time zone DEFAULT '1970-01-01 00:00:00' NOT NULL;