diff --git a/libraries/classes/Header.php b/libraries/classes/Header.php
index ba645abee3..7eb4b897b4 100644
--- a/libraries/classes/Header.php
+++ b/libraries/classes/Header.php
@@ -132,17 +132,17 @@ class Header
         $this->scripts->addFile('vendor/jquery/jquery.min.js');
         $this->scripts->addFile('vendor/jquery/jquery-migrate.min.js');
         $this->scripts->addFile('vendor/sprintf.js');
-        $this->scripts->addFile('ajax.js');
-        $this->scripts->addFile('keyhandler.js');
         $this->scripts->addFile('vendor/jquery/jquery-ui.min.js');
         $this->scripts->addFile('name-conflict-fixes.js');
         $this->scripts->addFile('vendor/bootstrap/bootstrap.bundle.min.js');
         $this->scripts->addFile('vendor/js.cookie.min.js');
         $this->scripts->addFile('vendor/jquery/jquery.validate.min.js');
         $this->scripts->addFile('vendor/jquery/jquery-ui-timepicker-addon.js');
+        $this->scripts->addFile('index.php', ['route' => '/messages', 'l' => $GLOBALS['lang']]);
+        $this->scripts->addFile('ajax.js');
+        $this->scripts->addFile('keyhandler.js');
         $this->scripts->addFile('menu_resizer.js');
         $this->scripts->addFile('cross_framing_protection.js');
-        $this->scripts->addFile('index.php', ['route' => '/messages', 'l' => $GLOBALS['lang']]);
         $this->scripts->addFile('config.js');
         $this->scripts->addFile('functions.js');
         $this->scripts->addFile('navigation.js');