diff --git a/lib/exe/indexer.php b/lib/exe/indexer.php
index ad2ad801015008ef1f946370e67d6cb3368badb6..649bb6f29377c9f8c7f21280686dc8e7460746fa 100644
--- a/lib/exe/indexer.php
+++ b/lib/exe/indexer.php
@@ -6,6 +6,7 @@
  * @author     Andreas Gohr <andi@splitbrain.org>
  */
 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
+define('DOKU_DISABLE_GZIP_OUTPUT',1);
 require_once(DOKU_INC.'inc/init.php');
 require_once(DOKU_INC.'inc/auth.php');
 require_once(DOKU_INC.'inc/events.php');