diff --git a/htdocs/admin/agenda_xcal.php b/htdocs/admin/agenda_xcal.php
index 3f6484ef639..7df74ba6a9d 100644
--- a/htdocs/admin/agenda_xcal.php
+++ b/htdocs/admin/agenda_xcal.php
@@ -178,6 +178,7 @@ $message .= $langs->trans("AgendaUrlOptionsNotAdmin", $user->login, $user->login
 $message .= $langs->trans("AgendaUrlOptions4", $user->login, $user->login).'<br>';
 $message .= $langs->trans("AgendaUrlOptionsProject", $user->login, $user->login).'<br>';
 $message .= $langs->trans("AgendaUrlOptionsNotAutoEvent", 'systemauto', 'systemauto').'<br>';
+$message .= $langs->trans("AgendaUrlOptionsIncludeHolidays", '1', '1').'<br>';
 
 print info_admin($message);
 
diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index 5e56ca9a875..2f68cbeda58 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -123,6 +123,7 @@ AgendaUrlOptionsNotAdmin=<b>logina=!%s</b> to restrict output to actions not own
 AgendaUrlOptions4=<b>logint=%s</b> to restrict output to actions assigned to user <b>%s</b> (owner and others).
 AgendaUrlOptionsProject=<b>project=__PROJECT_ID__</b> to restrict output to actions linked to project <b>__PROJECT_ID__</b>.
 AgendaUrlOptionsNotAutoEvent=<b>notactiontype=systemauto</b> to exclude automatic events.
+AgendaUrlOptionsIncludeHolidays=<b>includeholidays=1</b> to include events of holidays. 
 AgendaShowBirthdayEvents=Show birthdays of contacts
 AgendaHideBirthdayEvents=Hide birthdays of contacts
 Busy=Busy
diff --git a/htdocs/public/agenda/agendaexport.php b/htdocs/public/agenda/agendaexport.php
index 66057f724b4..a94b0659950 100644
--- a/htdocs/public/agenda/agendaexport.php
+++ b/htdocs/public/agenda/agendaexport.php
@@ -34,8 +34,10 @@ if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML', '1'); // If we don't ne
 if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX', '1');
 if (! defined('NOLOGIN'))        define("NOLOGIN", 1);		// This means this output page does not require to be logged.
 if (! defined('NOCSRFCHECK'))    define("NOCSRFCHECK", 1);	// We accept to go on this page from external web site.
+if (! defined('NOIPCHECK'))		 define('NOIPCHECK', '1');  // Do not check IP defined into conf $dolibarr_main_restrict_ip
 
-// C'est un wrapper, donc header vierge
+
+// It's a wrapper, so empty header
 
 /**
  * Header function
@@ -72,7 +74,7 @@ if (GETPOST("format", 'alpha')) $format=GETPOST("format", 'apha');
 if (GETPOST("type", 'apha'))   $type=GETPOST("type", 'alpha');
 
 $filters=array();
-if (GETPOST("year", 'int')) 	         $filters['year']=GETPOST("year", 'int');
+if (GETPOST("year", 'int')) 	      $filters['year']=GETPOST("year", 'int');
 if (GETPOST("id", 'int'))             $filters['id']=GETPOST("id", 'int');
 if (GETPOST("idfrom", 'int'))         $filters['idfrom']=GETPOST("idfrom", 'int');
 if (GETPOST("idto", 'int'))           $filters['idto']=GETPOST("idto", 'int');
@@ -157,7 +159,7 @@ $agenda=new ActionComm($db);
 $cachedelay=0;
 if (! empty($conf->global->MAIN_AGENDA_EXPORT_CACHE)) $cachedelay=$conf->global->MAIN_AGENDA_EXPORT_CACHE;
 
-$exportholidays = empty($conf->global->AGENDA_SHOW_HOLIDAYS) ? 0 : 1;
+$exportholidays = GETPOST('includeholidays', 'int');
 
 // Build file
 if ($format == 'ical' || $format == 'vcal')