diff --git a/modules/user.views.inc b/modules/user.views.inc
index 442a7b2..fed372f 100644
--- a/modules/user.views.inc
+++ b/modules/user.views.inc
@@ -245,7 +245,7 @@ function user_views_data() {
     'title' => t('Created week'),
     'help' => t('In the form of WW (01 - 53).'),
     'argument' => array(
-      'field' => 'timestamp',
+      'field' => 'created',
       'handler' => 'views_handler_argument_node_created_week',
     ),
   );