diff --git a/lib/evaluation/classes/Evaluation.class.php b/lib/evaluation/classes/Evaluation.class.php
index cd674074bfb516d727a356ccdc0614ab2bfe7b42..56227f81533f428f0fc40938dbfb514258dd5d1b 100644
--- a/lib/evaluation/classes/Evaluation.class.php
+++ b/lib/evaluation/classes/Evaluation.class.php
@@ -108,6 +108,13 @@ class Evaluation extends EvaluationObject implements PrivacyObject
      */
     var $shared;
 
+    /**
+     * Counts the number of connected ranges
+     * @access   private
+     * @var      integer $numberRanges
+     */
+    var $numberRanges;
+
     /**
      * Counts the number of connected ranges
      * @access   private