diff --git a/htdocs/contrat/list.php b/htdocs/contrat/list.php
index 669f2b09775..e9a9e2cb8bc 100644
--- a/htdocs/contrat/list.php
+++ b/htdocs/contrat/list.php
@@ -180,7 +180,7 @@ if ($resql)
     print '<input type="text" class="flat" size="3" name="search_contract" value="'.dol_escape_htmltag($search_contract).'">';
     print '</td>';
     print '<td class="liste_titre">';
-    print '<input type="text" class="flat" size="7" name="search_ref_supplier value="'.dol_escape_htmltag($search_ref_supplier).'">';
+    print '<input type="text" class="flat" size="7" name="search_ref_supplier" value="'.dol_escape_htmltag($search_ref_supplier).'">';
     print '</td>';
     print '<td class="liste_titre">';
     print '<input type="text" class="flat" size="24" name="search_name" value="'.dol_escape_htmltag($search_name).'">';