diff --git a/CRM/Core/Task.php b/CRM/Core/Task.php
index 76a4b4de12b2..1aed1bf970a0 100644
--- a/CRM/Core/Task.php
+++ b/CRM/Core/Task.php
@@ -61,7 +61,7 @@ abstract class CRM_Core_Task {
    *
    * @var array
    */
-  static $_tasks = NULL;
+  public static $_tasks = NULL;
 
   static $objectType = NULL;