diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index cd1fa6e2663..4834b58b6ba 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -1129,7 +1129,7 @@ if ($_GET['propalid'] > 0)
 				if ($conf->global->PRODUIT_USE_MARKUP && $conf->use_ajax && $conf->global->MAIN_CONFIRM_AJAX)
 				{
 					print '<div id="calc_markup'.$i.'" style="display:none">';
-					$html->select_product_fourn_price($objp->fk_product);
+					$html->select_product_fourn_price($objp->fk_product,'productfournpriceid');
 					print '</div>'."\n";
 					
 					print '<td align="right">';
diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index dab8369e725..f7f44e71e64 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -1237,7 +1237,7 @@ class Form
 		\brief      Retourne la liste des tarifs fournisseurs pour un produit
 		\param		  productid   		    Id du produit
 	*/
-	function select_product_fourn_price($productid)
+	function select_product_fourn_price($productid,$htmlname='productfournpriceid')
 	{
 		global $langs,$conf;