diff --git a/htdocs/admin/supplier_invoice.php b/htdocs/admin/supplier_invoice.php
index 75a917dd185..5dbe26596fe 100644
--- a/htdocs/admin/supplier_invoice.php
+++ b/htdocs/admin/supplier_invoice.php
@@ -56,9 +56,12 @@ $specimenthirdparty->initAsSpecimen();
 if ($action == 'updateMask')
 {
     $maskconstinvoice=GETPOST('maskconstinvoice','alpha');
-    $maskvalue=GETPOST('maskinvoice','alpha');
+	$maskconstcredit=GETPOST('maskconstcredit','alpha');
+    $maskinvoice=GETPOST('maskinvoice','alpha');
+	$maskcredit=GETPOST('maskcredit','alpha');
 
-    if ($maskconstinvoice)  $res = dolibarr_set_const($db,$maskconstinvoice,$maskvalue,'chaine',0,'',$conf->entity);
+    if ($maskconstinvoice)  $res = dolibarr_set_const($db,$maskconstinvoice,$maskinvoice,'chaine',0,'',$conf->entity);
+	if ($maskconstcredit)  $res = dolibarr_set_const($db,$maskconstcredit,$maskcredit,'chaine',0,'',$conf->entity);
 
     if (! $res > 0) $error++;
 
diff --git a/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php b/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
index 2e155c04df8..7c595fe4e9d 100644
--- a/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
+++ b/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
@@ -72,14 +72,18 @@ class mod_facture_fournisseur_tulip extends ModeleNumRefSuppliersInvoices
 		$tooltip.=$langs->trans("GenericMaskCodes5");
 
 		// Parametrage du prefix
-		$texte.= '<tr><td>'.$langs->trans("Mask");
-		//$texte.= ' ('.$langs->trans("InvoiceStandard").')';
+		$texte.= '<tr><td>'.$langs->trans("Mask").' ('.$langs->trans("InvoiceStandard").')';
 		$texte.= ':</td>';
 		$texte.= '<td align="right">'.$form->textwithpicto('<input type="text" class="flat" size="24" name="maskinvoice" value="'.$conf->global->SUPPLIER_INVOICE_TULIP_MASK.'">',$tooltip,1,1).'</td>';
 
 		$texte.= '<td align="left" rowspan="2">&nbsp; <input type="submit" class="button" value="'.$langs->trans("Modify").'" name="Button"></td>';
 
 		$texte.= '</tr>';
+		
+		// Parametrage du prefix des avoirs
+		$texte.= '<tr><td>'.$langs->trans("Mask").' ('.$langs->trans("InvoiceAvoir").'):</td>';
+		$texte.= '<td align="right">'.$form->textwithpicto('<input type="text" class="flat" size="24" name="maskcredit" value="'.$conf->global->SUPPLIER_CREDIT_TULIP_MASK.'">',$tooltip,1,1).'</td>';
+		$texte.= '</tr>';
 
 		if ($conf->global->MAIN_FEATURE_LEVEL >= 2)
 		{
@@ -88,10 +92,6 @@ class mod_facture_fournisseur_tulip extends ModeleNumRefSuppliersInvoices
     		$texte.= '<td align="right">'.$form->textwithpicto('<input type="text" class="flat" size="24" name="maskreplacement" value="'.$conf->global->SUPPLIER_REPLACEMENT_TULIP_MASK.'">',$tooltip,1,1).'</td>';
     		$texte.= '</tr>';
 
-    		// Parametrage du prefix des avoirs
-    		$texte.= '<tr><td>'.$langs->trans("Mask").' ('.$langs->trans("InvoiceAvoir").'):</td>';
-    		$texte.= '<td align="right">'.$form->textwithpicto('<input type="text" class="flat" size="24" name="maskcredit" value="'.$conf->global->SUPPLIER_CREDIT_TULIP_MASK.'">',$tooltip,1,1).'</td>';
-    		$texte.= '</tr>';
 
     		// Parametrage du prefix des acomptes
     		$texte.= '<tr><td>'.$langs->trans("Mask").' ('.$langs->trans("InvoiceDeposit").'):</td>';