diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 899005c8232..f5553032a09 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -2916,7 +2916,7 @@ abstract class CommonObject
 			$MODULE = "MODULE_DISALLOW_UPDATE_PRICE_ORDER";
 		elseif ($this->element == 'facture' || $this->element == 'invoice')
 			$MODULE = "MODULE_DISALLOW_UPDATE_PRICE_INVOICE";
-		elseif ($this->element == 'facture_fourn' || $this->element == 'supplier_invoice')
+		elseif ($this->element == 'facture_fourn' || $this->element == 'supplier_invoice' || $this->element == 'invoice_supplier')
 			$MODULE = "MODULE_DISALLOW_UPDATE_PRICE_SUPPLIER_INVOICE";
 		elseif ($this->element == 'order_supplier' || $this->element == 'supplier_order')
 			$MODULE = "MODULE_DISALLOW_UPDATE_PRICE_SUPPLIER_ORDER";