diff --git a/notarymysql/migrate.sql b/notarymysql/migrate.sql
index 89f39e7eaa..bf10d390f9 100644
--- a/notarymysql/migrate.sql
+++ b/notarymysql/migrate.sql
@@ -1,18 +1,16 @@
 -- This migrates initial.sql to tables that are needed for GORM
 
 ALTER TABLE `tuf_files`
-ADD COLUMN `created_at` timestamp NULL AFTER `id`,
-ADD COLUMN `updated_at` timestamp NULL AFTER `created_at`,
-ADD COLUMN `deleted_at` timestamp NULL AFTER `updated_at`,
+ADD COLUMN `created_at` timestamp NULL DEFAULT NULL AFTER `id`,
+ADD COLUMN `updated_at` timestamp NULL DEFAULT NULL AFTER `created_at`,
+ADD COLUMN `deleted_at` timestamp NULL DEFAULT NULL AFTER `updated_at`,
 MODIFY `id` int(10) unsigned AUTO_INCREMENT;
 
 ALTER TABLE `timestamp_keys`
 ADD COLUMN `id` int(10) unsigned AUTO_INCREMENT FIRST,
-ADD COLUMN `created_at` timestamp NULL AFTER `id`,
-ADD COLUMN `updated_at` timestamp NULL AFTER `created_at`,
-ADD COLUMN `deleted_at` timestamp NULL AFTER `updated_at`,
+ADD COLUMN `created_at` timestamp NULL DEFAULT NULL AFTER `id`,
+ADD COLUMN `updated_at` timestamp NULL DEFAULT NULL AFTER `created_at`,
+ADD COLUMN `deleted_at` timestamp NULL DEFAULT NULL AFTER `updated_at`,
 DROP PRIMARY KEY,
 ADD PRIMARY KEY (`id`),
 ADD UNIQUE (`gun`);
-
-