Index: trunk/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r5373 -r5431
--- trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 5373)
+++ trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 5431)
@@ -626,11 +626,9 @@
 		 */
 	function prefixRegistred($prefix)
 	{
-		return isset($this->configData[$prefix]) ? true : false;
+		return isset($this->prefixFiles[$prefix]) ? true : false;
 	}
 
-
-
 }