diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 806f899df36..aa6fa6c8066 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -1731,13 +1731,13 @@ class Holiday extends CommonObject
 			if ($type) {
 				// If user of Dolibarr
 				$sql = "SELECT";
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= " DISTINCT";
 				}
 				$sql .= " u.rowid";
 				$sql .= " FROM ".MAIN_DB_PREFIX."user as u";
 
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 					$sql .= " WHERE ((ug.fk_user = u.rowid";
 					$sql .= " AND ug.entity IN (".getEntity('usergroup')."))";
@@ -1821,13 +1821,13 @@ class Holiday extends CommonObject
 			if ($type) {
 				// If we need users of Dolibarr
 				$sql = "SELECT";
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= " DISTINCT";
 				}
 				$sql .= " u.rowid, u.lastname, u.firstname, u.gender, u.photo, u.employee, u.statut, u.fk_user";
 				$sql .= " FROM ".MAIN_DB_PREFIX."user as u";
 
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 					$sql .= " WHERE ((ug.fk_user = u.rowid";
 					$sql .= " AND ug.entity IN (".getEntity('usergroup')."))";