diff -r 7f8262b2004a -r 0a691138a1e5 includes/namespaces/default.php
--- a/includes/namespaces/default.php	Sun Mar 15 11:07:28 2009 -0400
+++ b/includes/namespaces/default.php	Sun Mar 15 11:08:07 2009 -0400
@@ -362,7 +362,7 @@
     }
     else
     {
-      $pathskey = $paths->nslist[ $this->namespace ] . $paths->page_id;
+      $pathskey = $paths->nslist[ $this->namespace ] . $this->page_id;
       $page_format = $paths->pages[$pathskey]['page_format'];
     }