diff --git a/index.php b/index.php
index 46c9e87..fc1610b 100644
--- a/index.php
+++ b/index.php
@@ -6,7 +6,7 @@ $mytime = new Datetime("now");
 $timestamp = $mytime->format('U');
 
 // CREATE 6 G1BILLETS in /tmp/g1billet/$timestamp
-$page = shell_exec(dirname(__FILE__)."/G1BILLETS.sh '".$_REQUEST['montant']."' '".$timestamp."'");
+$page = shell_exec(dirname(__FILE__)."/G1BILLETS.sh '".$_REQUEST['montant']."' '".$timestamp."' >> /tmp/g1billet.log");
 
 $attachment_location = "/tmp/g1billet/".$timestamp.".pdf";
 if (file_exists($attachment_location)) {