diff --git a/admin/config.html b/admin/config.html
index 4f65567774a..0473e0cc394 100644
--- a/admin/config.html
+++ b/admin/config.html
@@ -125,6 +125,8 @@
        $options[90]   = get_string("numdays", "", 90);
        $options[60]   = get_string("numdays", "", 60);
        $options[30]   = get_string("numdays", "", 30);
+       $options[21]   = get_string("numdays", "", 21);
+       $options[14]   = get_string("numdays", "", 14);
        $options[7]   = get_string("numdays", "", 7);
 
        choose_from_menu ($options, "longtimenosee", $config->longtimenosee, "", "", "");