diff --git a/htdocs/master.inc.php b/htdocs/master.inc.php
index 4f6c1568522..1f223fc38f9 100644
--- a/htdocs/master.inc.php
+++ b/htdocs/master.inc.php
@@ -285,4 +285,7 @@ if (! defined('NOREQUIRETRAN'))
 
 if (! defined('MAIN_LABEL_MENTION_NPR') ) define('MAIN_LABEL_MENTION_NPR','NPR');
 
+// We force feature to help debug
+$conf->global->MAIN_JS_ON_PAYMENT=1;
+
 ?>