diff --git a/inc/ajax.inc.php b/inc/ajax.inc.php
index 3ee1005..a4f5fdb 100644
--- a/inc/ajax.inc.php
+++ b/inc/ajax.inc.php
@@ -1,7 +1,7 @@
 <?php
 ini_set("display_errors","0");
 include_once __DIR__."/config.php";
-$mysqli = new mysqli($db_config['host'],$db_config['username'],$db_config['password'],$db_config['database']);
+$mysqli = get_mysqli_connection();
 
 //ajax:  get stock list for select
 if($_REQUEST['t']=='stockList'){