diff --git a/htdocs/societe/agenda.php b/htdocs/societe/agenda.php
index edfa69a2fd1..bc46b9eb4fd 100644
--- a/htdocs/societe/agenda.php
+++ b/htdocs/societe/agenda.php
@@ -59,7 +59,7 @@ $offset = $limit * $page;
 $pageprev = $page - 1;
 $pagenext = $page + 1;
 if (! $sortfield) $sortfield='a.datep,a.id';
-if (! $sortorder) $sortorder='DESC';
+if (! $sortorder) $sortorder='DESC,DESC';
 
 // Initialize technical object to manage hooks of page. Note that conf->hooks_modules contains array of hook context
 $hookmanager->initHooks(array('agendathirdparty'));