diff --git a/Classes/Domain/Model/Event.php b/Classes/Domain/Model/Event.php
index db2996b..1ed3320 100644
--- a/Classes/Domain/Model/Event.php
+++ b/Classes/Domain/Model/Event.php
@@ -219,7 +219,7 @@ class Event extends AbstractEntity
     /**
      * @var DataProcessingForModels
      */
-    private $dataProcessing = null;
+    protected $dataProcessing = null;
 
     /**
      * __construct