diff --git a/htdocs/public/agenda/agendaexport.php b/htdocs/public/agenda/agendaexport.php
index 82222cc2d43..867f241e160 100644
--- a/htdocs/public/agenda/agendaexport.php
+++ b/htdocs/public/agenda/agendaexport.php
@@ -76,7 +76,7 @@ if (empty($_GET["exportkey"]) || $conf->global->MAIN_AGENDA_XCAL_EXPORTKEY != $_
 	exit;
 }
 
-// Define filename
+// Define filename with prefix on filters predica (each predica set must have on cache file)
 $filename='';
 if ($format == 'vcal') $filename='dolibarrcalendar.vcs';
 if ($format == 'ical') $filename='dolibarrcalendar.ics';
@@ -91,6 +91,15 @@ if (! $filename)
 	llxFooterVierge('$Date$ - $Revision$');
 	exit;
 }
+foreach ($filters as $key => $value)
+{
+	if ($key == 'year')     $filename.='.year'.$value;
+	if ($key == 'idaction') $filename.='.id'.$value;
+	if ($key == 'login')	$filename.='.login'.$value;
+	if ($key == 'logina')	$filename.='.logina'.$value;
+	if ($key == 'logind')	$filename.='.logind'.$value;
+	if ($key == 'logint')	$filename.='.logint'.$value;
+}
 
 
 $agenda=new ActionComm($db);