diff --git a/lib/classes/module/report/dashboard.class.php b/lib/classes/module/report/dashboard.class.php
index 05a9f365fc..05ff2af16c 100644
--- a/lib/classes/module/report/dashboard.class.php
+++ b/lib/classes/module/report/dashboard.class.php
@@ -66,6 +66,8 @@ class module_report_dashboard implements module_report_dashboard_componentInterf
      */
     public $sbasid;
 
+    public $nb_days;
+
     /**
      * @desc Construit un dashboard selon les droits du usrid, si sbas vaut null
      * c'est un report sur toutes les bases, sinon sur le sbasid