diff --git a/route.php b/route.php
index e85163b..d2d7e4e 100644
--- a/route.php
+++ b/route.php
@@ -191,9 +191,9 @@ class route
       If module is set, the site is modular and a directory is named with module
       name
       @param string $destURL Do a redirection of the HTTP page
-      @param string $module The module name
+      @param string|null $module The module name
       @param boolean|null Permanent redirect (false by default) */
-  function redirect ($destURL, $module, $permanent = false)
+  function redirect ($destURL, $module="", $permanent = false)
   {
     if (php_sapi_name () === "cli")
       exit;