diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index fd92d3f6b6f..dde966022e8 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -240,6 +240,7 @@ class Form
 		print '<option value="3"'.($selected=='3'?' selected="true"':'').'>'.$langs->trans('OrderSource3').'</option>';
 		print '<option value="4"'.($selected=='4'?' selected="true"':'').'>'.$langs->trans('OrderSource4').'</option>';
 		print '<option value="5"'.($selected=='5'?' selected="true"':'').'>'.$langs->trans('OrderSource5').'</option>';
+		print '<option value="6"'.($selected=='6'?' selected="true"':'').'>'.$langs->trans('OrderSource6').'</option>';
 		print '</select>';
 	}