diff --git a/install-dev/upgrade/php/add_accounting_tab.php b/install-dev/upgrade/php/add_accounting_tab.php
index 7b76d1470..bd7bf0725 100644
--- a/install-dev/upgrade/php/add_accounting_tab.php
+++ b/install-dev/upgrade/php/add_accounting_tab.php
@@ -26,6 +26,7 @@
 
 function add_accounting_tab()
 {
+	include_once(_PS_INSTALL_PATH_.'upgrade/php/add_new_tab.php');
 	$id_parent = add_new_tab(
 		'AdminAccounting', 
 		'en:Accounting|fr:Comptabilité|es:Accounting|de:Accounting|it:Accounting',