diff --git a/admin/phpwebgallery_structure.sql b/admin/phpwebgallery_structure.sql
index f800ee568..cdd6f22b3 100644
--- a/admin/phpwebgallery_structure.sql
+++ b/admin/phpwebgallery_structure.sql
@@ -22,6 +22,7 @@ CREATE TABLE phpwebgallery_categories (
   site_id tinyint(4) unsigned NOT NULL default '1',
   visible enum('true','false') NOT NULL default 'true',
   uploadable enum('true','false') NOT NULL default 'false',
+  representative_picture_id mediumint(8) unsigned default NULL,
   PRIMARY KEY  (id)
 ) TYPE=MyISAM;