diff --git a/mod/workshop/locallib.php b/mod/workshop/locallib.php
index e63250b83d4..9016190e3af 100644
--- a/mod/workshop/locallib.php
+++ b/mod/workshop/locallib.php
@@ -3702,7 +3702,7 @@ abstract class workshop_assessment_base {
     protected $fields = array();
 
     /** @var workshop */
-    protected $workshop;
+    public $workshop;
 
     /**
      * Copies the properties of the given database record into properties of $this instance