diff --git a/htdocs/core/tpl/document_actions_post_headers.tpl.php b/htdocs/core/tpl/document_actions_post_headers.tpl.php
index 65312110cc9..6f20eb1759c 100644
--- a/htdocs/core/tpl/document_actions_post_headers.tpl.php
+++ b/htdocs/core/tpl/document_actions_post_headers.tpl.php
@@ -62,7 +62,7 @@ $savingdocmask='';
 if (empty($conf->global->MAIN_DISABLE_SUGGEST_REF_AS_PREFIX))
 {
 	//var_dump($modulepart);
-	if (in_array($modulepart,array('facture_fournisseur','commande_fournisseur','facture','commande','propal','supplier_proposal','ficheinter','contract','expedition','project','project_task','expensereport','tax')))
+	if (in_array($modulepart,array('facture_fournisseur','commande_fournisseur','facture','commande','propal','supplier_proposal','ficheinter','contract','expedition','project','project_task','expensereport','tax', 'produit')))
 	{
 		$savingdocmask=dol_sanitizeFileName($object->ref).'-__file__';
 	}