Index: branches/5.3.x/core/kernel/utility/system_config.php
===================================================================
--- branches/5.3.x/core/kernel/utility/system_config.php
+++ branches/5.3.x/core/kernel/utility/system_config.php
@@ -149,7 +149,7 @@
 	public function getData()
 	{
 		if ( !$this->data ) {
-			$this->data = array_merge($this->getDefaults(), $this->parse());
+			$this->data = array_replace_recursive($this->getDefaults(), $this->parse());
 		}
 
 		return $this->data;
@@ -280,4 +280,4 @@
 class kSystemConfigException extends Exception
 {
 
-}
\ No newline at end of file
+}