diff --git a/ChangeLog.md b/ChangeLog.md
index 9e8ce88..2ba22c9 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,10 @@
 # CHANGELOG MODULE TIMESHEETWEEK FOR [DOLIBARR ERP CRM](https://www.dolibarr.org)
 
+## 1.0.4
+- Assure le chargement de la librairie admin Dolibarr avant l'appel à `dolibarr_set_const` dans le compteur FH. / Ensures the Dolibarr admin library loads before calling `dolibarr_set_const` in the FH counter.
+
 ## 1.0.3
+- Corrige l'initialisation du compteur FH en chargeant les librairies Dolibarr adéquates. / Fixes FH counter initialisation by loading the appropriate Dolibarr libraries.
 - Sécurise les droits hiérarchiques pour lire, créer, modifier, supprimer et valider les feuilles des seuls collaborateurs gérés. / Secures hierarchy rights to read, create, update, delete and validate only managed employees' timesheets.
 - Restreint la liste hebdomadaire aux salariés autorisés et ajoute des filtres compatibles Multicompany. / Restricts the weekly list to authorised employees and adds Multicompany-compatible filters.
 - Limite le filtre salarié aux collaborateurs visibles par l'utilisateur et respecte le périmètre Multicompany. / Limits the employee filter to collaborators visible to the user and honours the Multicompany scope.
diff --git a/core/modules/modTimesheetWeek.class.php b/core/modules/modTimesheetWeek.class.php
index d14fe35..055709b 100644
--- a/core/modules/modTimesheetWeek.class.php
+++ b/core/modules/modTimesheetWeek.class.php
@@ -80,8 +80,8 @@ public function __construct($db)
 		$this->editor_squarred_logo = '';					// Must be image filename into the module/img directory followed with @modulename. Example: 'myimage.png@timesheetweek'
 
 		// Possible values for version are: 'development', 'experimental', 'dolibarr', 'dolibarr_deprecated', 'experimental_deprecated' or a version string like 'x.y.z'
-		$this->version = '1.0.3'; // EN: Bump module version to ship hierarchy permission fixes.
-								 // FR: Incrémente la version du module pour livrer les correctifs de permissions hiérarchiques.
+		$this->version = '1.0.4'; // EN: Release FH counter fix ensuring Dolibarr admin library loads.
+						 // FR: Publie la correction du compteur FH en garantissant le chargement de la librairie admin Dolibarr.
 		// Url to the file with your last numberversion of this module
 		//$this->url_last_version = 'http://www.example.com/versionmodule.txt';
 
diff --git a/core/modules/timesheetweek/mod_timesheetweek_fhweekly.php b/core/modules/timesheetweek/mod_timesheetweek_fhweekly.php
index 5fc52ee..435c4d0 100644
--- a/core/modules/timesheetweek/mod_timesheetweek_fhweekly.php
+++ b/core/modules/timesheetweek/mod_timesheetweek_fhweekly.php
@@ -1,10 +1,14 @@
 <?php
-/* Copyright (C) 2025
+/*
+ * Copyright (C) 2025
+ * Pierre Ardoin <developpeur@lesmetiersdubatiment.fr>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU GPL v3 or later.
  */
 
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 /**
  * Numbering module for TimesheetWeek
@@ -57,11 +61,11 @@ public function getNextValue($object)
 		$year = (int) $object->year;
 		$week = (int) $object->week;
 
-		// fallback si non renseigné
+		// EN: Fallback to current year and week when missing. FR: Repli sur l'année et la semaine courantes si absentes.
 		if (empty($year) || empty($week)) {
-            $ts   = dol_now();
-            $year = (int) dol_print_date($ts, '%Y');
-            $week = (int) dol_print_date($ts, '%W'); // ISO week number
+			$ts = dol_now();
+			$year = (int) dol_print_date($ts, '%Y');
+			$week = (int) dol_print_date($ts, '%W'); // ISO week number
 		}
 
 		$key = 'TIMESHEETWEEK_FHWEEKLY_COUNTER_'.$entity.'_'.$year;
@@ -71,6 +75,7 @@ public function getNextValue($object)
 		$current = (int) getDolGlobalInt($key, 0);
 		$next = $current + 1;
 
+		// EN: Persist the counter in Dolibarr constants per entity. FR: Persiste le compteur dans les constantes Dolibarr par entité.
 		$res = dolibarr_set_const($db, $key, $next, 'integer', 0, '', $entity);
 		if ($res <= 0) {
 			$db->rollback();