diff --git a/htdocs/categories/index.php b/htdocs/categories/index.php
index aa2dc20e2b2..6ca392aef47 100644
--- a/htdocs/categories/index.php
+++ b/htdocs/categories/index.php
@@ -5,6 +5,7 @@
  * Copyright (C) 2007       Patrick Raguin      <patrick.raguin@gmail.com>
  * Copyright (C) 2005-2012  Regis Houssin       <regis.houssin@inodbox.com>
  * Copyright (C) 2015       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
+ * Copyright (C) 2021		Frédéric France		<frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -151,7 +152,7 @@ $cate_arbo = $categstatic->get_full_arbo($typetext);
 $fulltree = $cate_arbo;
 
 // Load possible missing includes
-if ($conf->global->CATEGORY_SHOW_COUNTS) {
+if (!empty($conf->global->CATEGORY_SHOW_COUNTS)) {
 	if ($type == Categorie::TYPE_MEMBER) {
 		require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 	}
@@ -177,7 +178,7 @@ foreach ($fulltree as $key => $val) {
 	$desc = dol_htmlcleanlastbr($val['description']);
 
 	$counter = '';
-	if ($conf->global->CATEGORY_SHOW_COUNTS) {
+	if (!empty($conf->global->CATEGORY_SHOW_COUNTS)) {
 		// we need only a count of the elements, so it is enough to consume only the id's from the database
 		$elements = $type == Categorie::TYPE_ACCOUNT
 			? $categstatic->getObjectsInCateg("account", 1)			// Categorie::TYPE_ACCOUNT is "bank_account" instead of "account"