diff --git a/scripts/cron/stock-graph.php b/scripts/cron/stock-graph.php
index 7a44bf8da7e..d4439d56c1f 100644
--- a/scripts/cron/stock-graph.php
+++ b/scripts/cron/stock-graph.php
@@ -73,6 +73,7 @@ for ($i = 0 ; $i < strftime('%j',$now) ; $i++)
     {
       $values[$key][$i] = 0;
     }
+  $values[0][$i] = 0;
   $legends[$i] = strftime('%b',mktime(12,12,12,1,1,2006) + ($i * 3600 * 24));
 }