diff --git a/library/includes/api/sphinx.php b/library/includes/api/sphinx.php
index 68b29869e..ea9fa86fd 100644
--- a/library/includes/api/sphinx.php
+++ b/library/includes/api/sphinx.php
@@ -18,7 +18,8 @@ if (!defined('BB_ROOT')) die(basename(__FILE__));
 /////////////////////////////////////////////////////////////////////////////
 // PHP version of Sphinx searchd client (PHP API)
 /////////////////////////////////////////////////////////////////////////////
-
+if(!class_exists('SphinxClient')) 
+{
 /// known searchd commands
 define ( "SEARCHD_COMMAND_SEARCH",	0 );
 define ( "SEARCHD_COMMAND_EXCERPT",	1 );
@@ -1647,7 +1648,7 @@ class SphinxClient extends cache_common
 		return $res;
 	}
 }
-
+}
 //
 // $Id: sphinxapi.php 2055 2009-11-06 23:09:58Z shodan $
 //
\ No newline at end of file