Index: library/Zend/Validate/PostCode.php =================================================================== --- library/Zend/Validate/PostCode.php (revision 20427) +++ library/Zend/Validate/PostCode.php (working copy) @@ -70,7 +70,7 @@ * * @param string|Zend_Locale|array|Zend_Config $options */ - public function __construct($options) + public function __construct($options = null) { if ($options instanceof Zend_Config) { $options = $options->toArray();