diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index b813ed7c6da..2cfd1d03a0e 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -73,7 +73,7 @@ $search_product_category=GETPOST('search_product_category','int');
 $search_ref=GETPOST('sf_ref')?GETPOST('sf_ref','alpha'):GETPOST('search_ref','alpha');
 $search_refcustomer=GETPOST('search_refcustomer','alpha');
 $search_type=GETPOST('search_type','int');
-$search_project=GETPOST('search_project','alpha');
+$search_project=GETPOST('search_project','alpha');<
 $search_societe=GETPOST('search_societe','alpha');
 $search_montant_ht=GETPOST('search_montant_ht','alpha');
 $search_montant_vat=GETPOST('search_montant_vat','alpha');
@@ -555,14 +555,14 @@ if ($resql)
 	if ($search_zip)         $param.='&search_zip='.urlencode($search_zip);
 	if ($search_sale > 0)    $param.='&search_sale=' .urlencode($search_sale);
 	if ($search_user > 0)    $param.='&search_user=' .urlencode($search_user);
-	if ($search_product_category > 0)   $param.='$search_product_category=' .urlencode($search_product_category);
+	if ($search_product_category > 0)   $param.='&search_product_category=' .urlencode($search_product_category);
 	if ($search_montant_ht != '')  $param.='&search_montant_ht='.urlencode($search_montant_ht);
 	if ($search_montant_vat != '')  $param.='&search_montant_vat='.urlencode($search_montant_vat);
 	if ($search_montant_localtax1 != '')  $param.='&search_montant_localtax1='.urlencode($search_montant_localtax1);
 	if ($search_montant_localtax2 != '')  $param.='&search_montant_localtax2='.urlencode($search_montant_localtax2);
 	if ($search_montant_ttc != '') $param.='&search_montant_ttc='.urlencode($search_montant_ttc);
 	if ($search_status != '') $param.='&search_status='.urlencode($search_status);
-	if ($search_paymentmode > 0) $param.='search_paymentmode='.urlencode($search_paymentmode);
+	if ($search_paymentmode > 0) $param.='&search_paymentmode='.urlencode($search_paymentmode);
 	if ($show_files)         $param.='&show_files=' .urlencode($show_files);
 	if ($option)             $param.="&option=".urlencode($option);
 	if ($optioncss != '')    $param.='&optioncss='.urlencode($optioncss);