diff --git a/index.php b/index.php
index 9e2eebd36af7f289f0e82e1abbfa6726d03d4807..baee05066c4f636d2f193b673eba3d781e0f53df 100644
--- a/index.php
+++ b/index.php
@@ -40,8 +40,7 @@ require_once file_exists(PIWIK_INCLUDE_PATH . '/vendor/autoload.php')
     : PIWIK_INCLUDE_PATH . '/../../autoload.php'; // Piwik is installed as a dependency
 
 if(!defined('PIWIK_PRINT_ERROR_BACKTRACE')) {
-    // TODO revert
-    define('PIWIK_PRINT_ERROR_BACKTRACE', true);
+    define('PIWIK_PRINT_ERROR_BACKTRACE', false);
 }
 
 require_once PIWIK_INCLUDE_PATH . '/core/dispatch.php';
\ No newline at end of file