diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 0ad85cc6c49..53ec09f943b 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1845,7 +1845,7 @@ function dol_get_fiche_end($notab = 0)
  */
 function dol_banner_tab($object, $paramid, $morehtml = '', $shownav = 1, $fieldid = 'rowid', $fieldref = 'ref', $morehtmlref = '', $moreparam = '', $nodbprefix = 0, $morehtmlleft = '', $morehtmlstatus = '', $onlybanner = 0, $morehtmlright = '')
 {
-	global $conf, $form, $user, $langs, $hookmanager;
+	global $conf, $form, $user, $langs, $hookmanager, $action;
 
 	$error = 0;