Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.509
diff -u -p -r1.509 system.module
--- modules/system/system.module	5 Jul 2007 08:48:58 -0000	1.509
+++ modules/system/system.module	15 Jul 2007 13:46:22 -0000
@@ -115,7 +115,7 @@ function system_elements() {
   $type['checkbox'] = array('#input' => TRUE, '#return_value' => 1);
   $type['select'] = array('#input' => TRUE, '#size' => 0, '#multiple' => FALSE);
   $type['weight'] = array('#input' => TRUE, '#delta' => 10, '#default_value' => 0, '#process' => array('process_weight'));
-  $type['date'] = array('#input' => TRUE, '#process' => array('expand_date' => array()), '#element_validate' => array('date_validate'));
+  $type['date'] = array('#input' => TRUE, '#process' => array('expand_date'), '#element_validate' => array('date_validate'));
   $type['file'] = array('#input' => TRUE, '#size' => 60);
 
   // Form structure