diff --git a/migrations/mysql/20230921211523_torrust_add_creation_date_field_to_torrent.sql b/migrations/mysql/20230921211523_torrust_add_creation_date_field_to_torrent.sql
index adc688e7..8a286401 100644
--- a/migrations/mysql/20230921211523_torrust_add_creation_date_field_to_torrent.sql
+++ b/migrations/mysql/20230921211523_torrust_add_creation_date_field_to_torrent.sql
@@ -1 +1 @@
-ALTER TABLE torrust_torrents ADD COLUMN creation_date BIGINT UNSIGNED NULL;
+ALTER TABLE torrust_torrents ADD COLUMN creation_date BIGINT NULL;