Index: branches/RC/core/kernel/application.php
===================================================================
diff -u -N -r11711 -r11724
--- branches/RC/core/kernel/application.php	(.../application.php)	(revision 11711)
+++ branches/RC/core/kernel/application.php	(.../application.php)	(revision 11724)
@@ -2004,7 +2004,7 @@
 	 */
 	function ConfigValue($name)
 	{
-		$res = isset($this->ConfigHash[$name]) ? $this->ConfigHash[$name] : false;
+		$res = array_key_exists($name, $this->ConfigHash) ? $this->ConfigHash[$name] : false;
 		if ($res !== false) {
 			return $res;
 		}