diff --git a/index.php b/index.php
index 968637f..f958b23 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
-shell_exec("./G1BILLETS.sh $_REQUEST['montant'] $timestamp");
+shell_exec(dirname(__FILE__)."./G1BILLETS.sh $_REQUEST['montant'] $timestamp");
 
 $attachment_location = "/tmp/g1billet/".$timestamp.".pdf";
 if (file_exists($attachment_location)) {