diff --git a/lib/db/access.php b/lib/db/access.php
index c9f0ee2333f..bc42449928d 100644
--- a/lib/db/access.php
+++ b/lib/db/access.php
@@ -1641,10 +1641,11 @@ $capabilities = array(
         )
     ),
     'moodle/comment:view' => array(
-
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
         'archetypes' => array(
+            'frontpage' => CAP_ALLOW,
+            'guest' => CAP_ALLOW,
             'user' => CAP_ALLOW,
             'student' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,