diff --git a/html/graph.php b/html/graph.php
index ca1a1d595..5a369ca32 100755
--- a/html/graph.php
+++ b/html/graph.php
@@ -45,6 +45,7 @@ include_once("../includes/defaults.inc.php");
 include_once("../config.php");
 include_once("../includes/definitions.inc.php");
 include_once("../includes/common.php");
+include_once("../includes/functions.php");
 include_once("../includes/dbFacile.php");
 include_once("../includes/rewrites.php");
 include_once("includes/functions.inc.php");