diff --git a/htdocs/core/class/notify.class.php b/htdocs/core/class/notify.class.php
index a88f673405c..2df88f51c0d 100644
--- a/htdocs/core/class/notify.class.php
+++ b/htdocs/core/class/notify.class.php
@@ -62,13 +62,11 @@ class Notify
 	 */
 	public $fk_project;
 
-	// Les codes actions sont definis dans la table llx_notify_def
-
-	// codes actions supported are
-	// @todo defined also into interface_50_modNotification_Notification.class.php
-	public $arrayofnotifsupported = array(
+	// This codes actions are defined into table llx_notify_def
+	static public $arrayofnotifsupported = array(
 		'BILL_VALIDATE',
 		'BILL_PAYED',
+		'ORDER_CREATE',
 		'ORDER_VALIDATE',
 		'PROPAL_VALIDATE',
 		'PROPAL_CLOSE_SIGNED',
diff --git a/htdocs/core/js/lib_notification.js.php b/htdocs/core/js/lib_notification.js.php
index ee41555119a..f4a4e59526a 100644
--- a/htdocs/core/js/lib_notification.js.php
+++ b/htdocs/core/js/lib_notification.js.php
@@ -68,22 +68,27 @@ print '	var time_auto_update = '.$conf->global->MAIN_BROWSER_NOTIFICATION_FREQUE
 print '	var time_js_next_test;'."\n";
 ?>
 
-/* Check if permission ok */
-if (Notification.permission !== "granted") {
-	console.log("Ask Notification.permission");
-	Notification.requestPermission()
+/* Check if Notification is supported */
+if ("Notification" in window) {
+	/* Check if permission ok */
+	if (Notification.permission !== "granted") {
+		console.log("Ask Notification.permission");
+		Notification.requestPermission()
+	}
+
+	/* Launch timer */
+
+	// We set a delay before launching first test so next check will arrive after the time_auto_update compared to previous one.
+	//var time_first_execution = (time_auto_update + (time_js_next_test - nowtime)) * 1000;	//need milliseconds
+	var time_first_execution = <?php echo max(3, empty($conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION) ? 0 : $conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION); ?>;
+
+	setTimeout(first_execution, time_first_execution * 1000);
+	time_js_next_test = nowtime + time_first_execution;
+	console.log("Launch browser notif check: setTimeout is set to launch 'first_execution' function after a wait of time_first_execution="+time_first_execution+". nowtime (time php page generation) = "+nowtime+" time_js_next_check = "+time_js_next_test);
+} else {
+	console.log("This browser in this context does not support Notification.");
 }
 
-/* Launch timer */
-
-// We set a delay before launching first test so next check will arrive after the time_auto_update compared to previous one.
-//var time_first_execution = (time_auto_update + (time_js_next_test - nowtime)) * 1000;	//need milliseconds
-var time_first_execution = <?php echo max(3, empty($conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION) ? 0 : $conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION); ?>;
-
-setTimeout(first_execution, time_first_execution * 1000);
-time_js_next_test = nowtime + time_first_execution;
-console.log("Launch browser notif check: setTimeout is set to launch 'first_execution' function after a wait of time_first_execution="+time_first_execution+". nowtime (time php page generation) = "+nowtime+" time_js_next_check = "+time_js_next_test);
-
 
 function first_execution() {
 	console.log("Call first_execution then set repeat time to time_auto_update = MAIN_BROWSER_NOTIFICATION_FREQUENCY = "+time_auto_update);
diff --git a/htdocs/core/triggers/interface_50_modNotification_Notification.class.php b/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
index e2b359809dd..fe89a05ab20 100644
--- a/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
+++ b/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
@@ -23,6 +23,7 @@
  *  \brief      File of class of triggers for notification module
  */
 require_once DOL_DOCUMENT_ROOT.'/core/triggers/dolibarrtriggers.class.php';
+include_once DOL_DOCUMENT_ROOT.'/core/class/notify.class.php';
 
 
 /**
@@ -30,26 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/triggers/dolibarrtriggers.class.php';
  */
 class InterfaceNotification extends DolibarrTriggers
 {
-	// @todo Defined also into notify.class.php
-	public $listofmanagedevents = array(
-		'BILL_VALIDATE',
-		'BILL_PAYED',
-		'ORDER_CREATE',
-		'ORDER_VALIDATE',
-		'PROPAL_VALIDATE',
-		'PROPAL_CLOSE_SIGNED',
-		'FICHINTER_VALIDATE',
-		'FICHINTER_ADD_CONTACT',
-		'ORDER_SUPPLIER_VALIDATE',
-		'ORDER_SUPPLIER_APPROVE',
-		'ORDER_SUPPLIER_REFUSE',
-		'SHIPPING_VALIDATE',
-		'EXPENSE_REPORT_VALIDATE',
-		'EXPENSE_REPORT_APPROVE',
-		'HOLIDAY_VALIDATE',
-		'HOLIDAY_APPROVE',
-		'ACTION_CREATE'
-	);
+	public $listofmanagedevents = array();
 
 	/**
 	 * Constructor
@@ -66,6 +48,8 @@ class InterfaceNotification extends DolibarrTriggers
 		// 'development', 'experimental', 'dolibarr' or version
 		$this->version = self::VERSION_DOLIBARR;
 		$this->picto = 'email';
+
+		$this->listofmanagedevents = Notify::$arrayofnotifsupported;
 	}
 
 	/**
@@ -85,15 +69,13 @@ class InterfaceNotification extends DolibarrTriggers
 			return 0; // Module not active, we do nothing
 		}
 
-		require_once DOL_DOCUMENT_ROOT.'/core/class/notify.class.php';
-		$notify = new Notify($this->db);
-
-		if (!in_array($action, $notify->arrayofnotifsupported)) {
+		if (!in_array($action, $this->listofmanagedevents)) {
 			return 0;
 		}
 
 		dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
 
+		$notify = new Notify($this->db);
 		$notify->send($action, $object);
 
 		return 1;
@@ -114,6 +96,7 @@ class InterfaceNotification extends DolibarrTriggers
 		$sql = "SELECT rowid, code, label, description, elementtype";
 		$sql .= " FROM ".MAIN_DB_PREFIX."c_action_trigger";
 		$sql .= $this->db->order("rang, elementtype, code");
+
 		dol_syslog("getListOfManagedEvents Get list of notifications", LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql) {