diff --git a/htdocs/telephonie/stats/lignes/commandes.week.class.php b/htdocs/telephonie/stats/lignes/commandes.week.class.php
index 91702a2f018..dfdef820926 100644
--- a/htdocs/telephonie/stats/lignes/commandes.week.class.php
+++ b/htdocs/telephonie/stats/lignes/commandes.week.class.php
@@ -120,7 +120,7 @@ class GraphLignesCommandesWeek extends GraphBar {
 
     $nbel = sizeof($datas_new);
 
-    for ($i = 0 ; $i < ($nbel - 22) ; $i++)
+    for ($i = 0 ; $i < ($nbel - 18) ; $i++)
       {
 	array_shift($datas_new);
 	array_shift($labels_new);