diff --git a/webform_scheduled_export.admin.inc b/webform_scheduled_export.admin.inc
index 8709737..7c2b07e 100644
--- a/webform_scheduled_export.admin.inc
+++ b/webform_scheduled_export.admin.inc
@@ -19,6 +19,10 @@ function webform_scheduled_export_form($form, &$form_state, $schedule_export_con
   module_load_include('inc', 'webform', 'includes/webform.report');
   $form['export_wrapper']['export_info'] = webform_results_download_form(array(), $form_state, $node);
 
+  // Disable un-supported options.
+  $options = &$form['export_wrapper']['export_info']['range']['range_type']['#options'];
+  unset($options['new']);
+
   // Set the default values on the form we got from Webform.
   $export_config = $config->getExportConfig();
   _webform_scheduled_export_set_defaults($form['export_wrapper']['export_info'], $export_config);