diff --git a/htdocs/contrat/list.php b/htdocs/contrat/list.php
index 918bd4c256a..19a040bf091 100644
--- a/htdocs/contrat/list.php
+++ b/htdocs/contrat/list.php
@@ -290,10 +290,10 @@ if (!empty($search_ref_supplier)) {
 	$sql .= natural_search(array('c.ref_supplier'), $search_ref_supplier);
 }
 if ($search_zip) {
-  $sql .= natural_search(array('s.zip'), $search_zip);
+	$sql .= natural_search(array('s.zip'), $search_zip);
 }
 if ($search_town) {
-  $sql .= natural_search(array('s.town'), $search_town);
+	$sql .= natural_search(array('s.town'), $search_town);
 }
 if ($search_sale > 0) {
 	$sql .= " AND s.rowid = sc.fk_soc AND sc.fk_user = ".$search_sale;