Index: branches/5.2.x/core/kernel/utility/http_query.php
===================================================================
diff -u -N -r15601 -r15707
--- branches/5.2.x/core/kernel/utility/http_query.php	(.../http_query.php)	(revision 15601)
+++ branches/5.2.x/core/kernel/utility/http_query.php	(.../http_query.php)	(revision 15707)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: http_query.php 15601 2012-11-02 14:18:43Z alex $
+* @version	$Id: http_query.php 15707 2013-03-15 15:54:58Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -797,6 +797,6 @@
 			}
 		}
 
-		return $_SERVER['REMOTE_ADDR'];
+		return isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
 	}
 }
\ No newline at end of file