diff --git a/date_views/includes/date_views_argument_handler_simple.inc b/date_views/includes/date_views_argument_handler_simple.inc
index faff05a..a46fe33 100644
--- a/date_views/includes/date_views_argument_handler_simple.inc
+++ b/date_views/includes/date_views_argument_handler_simple.inc
@@ -85,7 +85,7 @@ class date_views_argument_handler_simple extends views_handler_argument_date {
     $options = parent::option_definition();
     $options['year_range'] = array('default' => '-3:+3');
     $options['granularity'] = array('default' => 'month');
-    $options['default_argument_type'] = array('default' => 'date');
+    $options['default_argument_type'] = array('default' => 'date', 'export' => 'export_plugin');
     $options['add_delta'] = array('default' => '');
     $options['use_fromto'] = array('default' => '');
     $options['title_format'] = array('default' => '');