Index: trunk/core/units/modules/modules_config.php
===================================================================
diff -u -N -r8015 -r8029
--- trunk/core/units/modules/modules_config.php	(.../modules_config.php)	(revision 8015)
+++ trunk/core/units/modules/modules_config.php	(.../modules_config.php)	(revision 8029)
@@ -101,7 +101,7 @@
 										            'LoadOrder' => Array('type' => 'int','not_null' => 1, 'default' => 0),
 										            'TemplatePath' => Array('type' => 'string','not_null' => 1, 'default' => ''),
 										            'RootCat' => Array('type' => 'int','not_null' => 1, 'default' => 0),
-										            'BuildDate' => Array('type' => 'double', 'formatter' => 'kDateFormatter', 'not_null' => '1','default' => ''),
+										            'BuildDate' => Array('type' => 'int', 'formatter' => 'kDateFormatter', 'default' => null),
 											),
 
 					'VirtualFields'	=> 	Array(),