diff --git a/admin/registration/confirmregistration.php b/admin/registration/confirmregistration.php
index 586c6b09c1c..ca0d2a5940e 100644
--- a/admin/registration/confirmregistration.php
+++ b/admin/registration/confirmregistration.php
@@ -72,7 +72,7 @@ if (!empty($registeredhub) and $registeredhub->token == $token) {
 
     if (!extension_loaded('xmlrpc')) {
         //display notice about xmlrpc
-        $xmlrpcnotification = $OUTPUT->doc_link($CFG->admin . '/environment/php_extension/xmlrpc', '');
+        $xmlrpcnotification = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
         $xmlrpcnotification .= get_string('xmlrpcdisabledregistration', 'hub');
         echo $OUTPUT->notification($xmlrpcnotification);
     }
diff --git a/admin/registration/index.php b/admin/registration/index.php
index 72469190c25..ae63e95919f 100644
--- a/admin/registration/index.php
+++ b/admin/registration/index.php
@@ -155,7 +155,7 @@ if (empty($cancel) and $unregistration and !$confirm) {
             echo $renderer->registeredonhublisting($hubs);
         }
     } else { //display notice about xmlrpc
-        $xmlrpcnotification = $OUTPUT->doc_link($CFG->admin . '/environment/php_extension/xmlrpc', '');
+        $xmlrpcnotification = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
         $xmlrpcnotification .= get_string('xmlrpcdisabledregistration', 'hub');
         echo $OUTPUT->notification($xmlrpcnotification);
     }
diff --git a/blocks/community/communitycourse.php b/blocks/community/communitycourse.php
index 645c233c5e5..c5a391e8788 100644
--- a/blocks/community/communitycourse.php
+++ b/blocks/community/communitycourse.php
@@ -53,7 +53,7 @@ $usercandownload = has_capability('moodle/community:download', $context);
 if (empty($usercansearch)) {
     $notificationerror = get_string('cannotsearchcommunity', 'hub');
 } else if (!extension_loaded('xmlrpc')) {
-    $notificationerror = $OUTPUT->doc_link($CFG->admin . '/environment/php_extension/xmlrpc', '');
+    $notificationerror = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
     $notificationerror .= get_string('xmlrpcdisabledcommunity', 'hub');
 }
 if (!empty($notificationerror)) {
diff --git a/course/publish/index.php b/course/publish/index.php
index d681bf4da12..272060cb5ac 100644
--- a/course/publish/index.php
+++ b/course/publish/index.php
@@ -45,7 +45,7 @@ $PAGE->set_heading($course->fullname);
 
 //check that the PHP xmlrpc extension is enabled
 if (!extension_loaded('xmlrpc')) {
-    $notificationerror = $OUTPUT->doc_link($CFG->admin . '/environment/php_extension/xmlrpc', '');
+    $notificationerror = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
     $notificationerror .= get_string('xmlrpcdisabledpublish', 'hub');
     echo $OUTPUT->header();
     echo $OUTPUT->heading(get_string('publishcourse', 'hub', $course->shortname), 3, 'main');
diff --git a/course/publish/metadata.php b/course/publish/metadata.php
index b0866071a8a..4e34c0aced1 100644
--- a/course/publish/metadata.php
+++ b/course/publish/metadata.php
@@ -55,7 +55,7 @@ $PAGE->set_heading($course->fullname);
 
 //check that the PHP xmlrpc extension is enabled
 if (!extension_loaded('xmlrpc')) {
-    $errornotification = $OUTPUT->doc_link($CFG->admin . '/environment/php_extension/xmlrpc', '');
+    $errornotification = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
     $errornotification .= get_string('xmlrpcdisabledpublish', 'hub');
     echo $OUTPUT->header();
     echo $OUTPUT->heading(get_string('publishcourse', 'hub', $course->shortname), 3, 'main');