diff --git a/htdocs/core/lib/ticket.lib.php b/htdocs/core/lib/ticket.lib.php
index 0cbc6e9c326..850d4e72fcf 100644
--- a/htdocs/core/lib/ticket.lib.php
+++ b/htdocs/core/lib/ticket.lib.php
@@ -218,7 +218,7 @@ function showDirectPublicLink($object)
 	$email = CMailFile::getValidAddress($object->origin_email, 2);
 	$url = '';
 	if ($email) {
-		$url = getDolGlobalString('TICKET_URL_PUBLIC_INTERFACE', dol_buildpath('/public/ticket/', 3)).'view.php?track_id='.$object->track_id.'&email='.$email;
+		$url = getDolGlobalString('TICKET_URL_PUBLIC_INTERFACE', dol_buildpath('/public/ticket/', 3)).'view.php?track_id='.urlencode($object->track_id).'&email='.urlencode($email);
 	}
 
 	$out = '';