diff --git a/code/GoogleSitemap.php b/code/GoogleSitemap.php
index 0b97851..668a97d 100644
--- a/code/GoogleSitemap.php
+++ b/code/GoogleSitemap.php
@@ -178,6 +178,8 @@ class GoogleSitemap extends Controller {
 		}
 		
 		$newPages->merge($this->addRegisteredDataObjects());
+
+		$this->extend('updateItems', $newPages);
 		
 		return $newPages;
 	}