Index: trunk/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r4790 -r4792
--- trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4790)
+++ trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4792)
@@ -359,7 +359,7 @@
 
 			$this->postProcessConfig($sub_prefix, $config_key, $dst_prefix_var);
 			if ($config_key == 'AggregateConfigs') {
-				$this->postProcessConfig($sub_prefix, 'Clones', 'prefix');
+				$processed = array_merge($this->postProcessConfig($sub_prefix, 'Clones', 'prefix'), $processed);
 			}
 			else {
 				$this->parseConfig($sub_prefix);
@@ -371,7 +371,7 @@
 			// configs, that used only for cloning & not used ifself
 			unset($this->configData[$prefix]);
 		}
-		return $processed;
+		return array_unique($processed);
 	}
 
 	function PreloadConfigFile($filename)