diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9da3583..a763d6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ 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]
+
+###
+
+- Fix SQL query `Field 'MIN(level)' unknown`
+
+
 ## [2.6.1] - 2025-11-13
 
 ### Fixed
diff --git a/inc/category.class.php b/inc/category.class.php
index 5cf670c..552976b 100644
--- a/inc/category.class.php
+++ b/inc/category.class.php
@@ -302,7 +302,7 @@ public static function filterActors(array $params = []): array
                 // Selects the level min that will be displayed
                 if ($level == 0) {
                     $criteria = [
-                        'SELECT' => 'MIN(level) as level',
+                        'SELECT' => ['MIN' => 'level'],
                         'FROM'   => $table,
                         'WHERE'  => [
                             'itilcategories_id' => $itilcategories_id,