diff --git a/htdocs/commande/stats/pre.inc.php b/htdocs/commande/stats/pre.inc.php
index c9207460fca..a81a4f5890e 100644
--- a/htdocs/commande/stats/pre.inc.php
+++ b/htdocs/commande/stats/pre.inc.php
@@ -20,6 +20,7 @@
  *
  */
 require("../../main.inc.php");
+require("../../bargraph.class.php");
 
 function llxHeader($head = "", $urlp = "")
 {