diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ecbdc9..d06c960 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+
+### Fixed
+
+- Restore missing include in ajax/dropdownAuthorization.php
+
 ## [1.4.5] - 2026-06-24
 
 ### Fixed
diff --git a/ajax/dropdownAuthorization.php b/ajax/dropdownAuthorization.php
index dbab8eb..bdf5246 100644
--- a/ajax/dropdownAuthorization.php
+++ b/ajax/dropdownAuthorization.php
@@ -28,6 +28,8 @@
  * -------------------------------------------------------------------------
  */
 
+include('../../../inc/includes.php');
+
 header('Content-Type: text/html; charset=UTF-8');
 Html::header_nocache();