diff --git a/phpgwapi/setup/tables_current.inc.php b/phpgwapi/setup/tables_current.inc.php
index 97d3a63c06..25666fae6d 100644
--- a/phpgwapi/setup/tables_current.inc.php
+++ b/phpgwapi/setup/tables_current.inc.php
@@ -171,7 +171,7 @@
 		),
 		'phpgw_categories' => array(
 			'fd' => array(
-				'cat_id' => array('type' => 'auto', 'precision' => 4, 'default' => 0, 'nullable' => false),
+				'cat_id' => array('type' => 'auto', 'precision' => 4, 'nullable' => false),
 				'cat_main' => array('type' => 'int', 'precision' => 4, 'default' => 0, 'nullable' => false),
 				'cat_parent' => array('type' => 'int', 'precision' => 4, 'default' => 0, 'nullable' => false),
 				'cat_level' => array('type' => 'int', 'precision' => 2, 'default' => 0, 'nullable' => false),