diff --git a/tools/index.php b/tools/index.php
index 6e2123f6b..eb8cbe0e9 100644
--- a/tools/index.php
+++ b/tools/index.php
@@ -14,6 +14,7 @@
 
 define('AT_INCLUDE_PATH', '../include/');
 require(AT_INCLUDE_PATH.'vitals.inc.php');
+authenticate();
 tool_origin('off');
 require(AT_INCLUDE_PATH.'header.inc.php');
 $module_list = $moduleFactory->getModules(AT_MODULE_STATUS_ENABLED, 0, TRUE);