diff --git a/apps/maarch_entreprise/documents_list_copies.php b/apps/maarch_entreprise/documents_list_copies.php
index f0ee8e31a36cef832336641ceb816d678f9b070b..93a1927a4eb2dd2a2fc07e5cb44b4fc115304f04 100644
--- a/apps/maarch_entreprise/documents_list_copies.php
+++ b/apps/maarch_entreprise/documents_list_copies.php
@@ -139,14 +139,14 @@ $order = $list->getOrder();
 $order_field = $list->getOrderField();
 if (!empty($order_field) && !empty($order)) {
     if($_REQUEST['order_field'] == 'alt_identifier'){
-        $orderstr = "order by regexp_replace(alt_identifier, '[^a-zA-Z]', '', 'g') ".$order.", regexp_replace(alt_identifier, '[^0-9]', '', 'g')::bigint"." ".$order;
+        $orderstr = "order by order_alphanum(alt_identifier)"." ".$order;
     }else{
         $orderstr = "order by ".$order_field." ".$order;
     }
 	$_SESSION['last_order_basket'] = $orderstr;
 }else if(!empty($_SESSION['save_list']['order']) && !empty($_SESSION['save_list']['order_field'])){
     if($_SESSION['save_list']['order_field'] == 'alt_identifier'){
-        $orderstr = "order by regexp_replace(alt_identifier, '[^a-zA-Z]', '', 'g') ".$_SESSION['save_list']['order'].", regexp_replace(alt_identifier, '[^0-9]', '', 'g')::bigint"." ".$_SESSION['save_list']['order'];
+        $orderstr = "order by order_alphanum(alt_identifier)"." ".$_SESSION['save_list']['order'];
     }else{
         $orderstr = "order by ".$_SESSION['save_list']['order_field']." ".$_SESSION['save_list']['order'];
     }