diff --git a/src/includes/class/class.LScli.php b/src/includes/class/class.LScli.php
index 8707970c..78d1eda7 100644
--- a/src/includes/class/class.LScli.php
+++ b/src/includes/class/class.LScli.php
@@ -485,7 +485,7 @@ class LScli extends LSlog_staticLoggerClass {
             self :: unquote_word($ldap_server_subDn);
             self :: need_ldap_con();
             if(!LSsession :: setSubDn($ldap_server_subDn))
-              self :: usage(_("Fail to select sub DN '%s'.", $ldap_server_subDn));
+              self :: usage(_("Fail to select sub DN '%s'."), $ldap_server_subDn);
             break;
           case '-L':
           case '--load-class':