Index: branches/5.3.x/core/units/captcha/captcha_eh.php
===================================================================
diff -u -N -r15483 -r15698
--- branches/5.3.x/core/units/captcha/captcha_eh.php	(.../captcha_eh.php)	(revision 15483)
+++ branches/5.3.x/core/units/captcha/captcha_eh.php	(.../captcha_eh.php)	(revision 15698)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: captcha_eh.php 15137 2012-03-04 08:06:21Z alex $
+* @version	$Id: captcha_eh.php 15698 2013-02-19 11:33:17Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -40,8 +40,8 @@
 			/* @var $captcha_helper kCaptchaHelper */
 
 			// create field for captcha code storage
-			$virtual_fields = $this->Application->getUnitOption($event->MasterEvent->Prefix, 'VirtualFields');
-			$virtual_fields['Captcha'] = Array ('type' => 'string', 'default' => '');
-			$this->Application->setUnitOption($event->MasterEvent->Prefix, 'VirtualFields', $virtual_fields);
+			$event->MasterEvent->getUnitConfig()->addVirtualFields(Array (
+				'Captcha' => Array ('type' => 'string', 'default' => ''),
+			));
 		}
 	}