--- authcache.helpers.inc	2010-02-22 06:26:08.000000000 +0000
+++ authcacheNew.helpers.inc	2010-11-29 10:31:01.000000000 +0000
@@ -241,7 +241,7 @@ function _authcache_shutdown_save_page()
   }
 
   // Only place JSON info for HTML pages
-  if (!$is_cached_nonhtml) {
+  if (!$is_cached_nonhtml && ($user -> uid)) {
     $authcache_footer['info'] = $authcache_info;
     $authcache_footer['ajax'] = $authcache_ajax;
     $authcache_json =