diff --git a/htdocs/admin/tools/listsessions.php b/htdocs/admin/tools/listsessions.php
index 8543dc49277..56287857188 100644
--- a/htdocs/admin/tools/listsessions.php
+++ b/htdocs/admin/tools/listsessions.php
@@ -27,6 +27,8 @@
 require("../../main.inc.php");
 require_once(DOL_DOCUMENT_ROOT.'/lib/admin.lib.php');
 
+$langs->load("install");
+
 if (! $user->admin)
   accessforbidden();