diff --git a/_config.php b/_config.php
index 7b2a17e..2ff9ffe 100644
--- a/_config.php
+++ b/_config.php
@@ -1,4 +1,4 @@
 <?php
 
-Object::add_extension('SiteTree', 'VersionFeed');
-Object::add_extension('ContentController', 'VersionFeed_Controller');
\ No newline at end of file
+Object::add_extension('Page', 'VersionFeed');
+Object::add_extension('ContentController', 'VersionFeed_Controller');