diff --git export/views_bonus_plugin_style_export.inc export/views_bonus_plugin_style_export.inc
index 28d2cd7..e2fec63 100644
--- export/views_bonus_plugin_style_export.inc
+++ export/views_bonus_plugin_style_export.inc
@@ -114,7 +114,7 @@ class views_bonus_plugin_style_export extends views_plugin_style {
 
     // Bypass doing any sort of testing if parent sorting is disabled.
     if (!$this->options['parent_sort']) {
-      return;
+      return parent::build_sort();
     }
 
     $displays = $this->display->handler->get_option('displays');
@@ -141,5 +141,8 @@ class views_bonus_plugin_style_export extends views_plugin_style {
     if (isset($this->extra_style)) {
       return $this->extra_style->build_sort_post();
     }
+    else {
+      return parent::build_sort_post();
+    }
   }
 }