diff --git a/mod/forum/classes/privacy/provider.php b/mod/forum/classes/privacy/provider.php
index e8427bb3626..e75eb7498ca 100644
--- a/mod/forum/classes/privacy/provider.php
+++ b/mod/forum/classes/privacy/provider.php
@@ -239,7 +239,7 @@ class provider implements
         $contextlist->add_from_sql($sql, $params);
 
         // Rating authors.
-        $ratingsql = \core_rating\privacy\provider::get_sql_join('rat', 'mod_forum', 'post', 'p.id', $userid);
+        $ratingsql = \core_rating\privacy\provider::get_sql_join('rat', 'mod_forum', 'post', 'p.id', $userid, true);
         $sql = "SELECT c.id
                   FROM {context} c
                   JOIN {course_modules} cm ON cm.id = c.instanceid AND c.contextlevel = :contextlevel