diff --git a/lib.php b/lib.php
index 6c3f3a5..ee880f7 100644
--- a/lib.php
+++ b/lib.php
@@ -475,7 +475,7 @@ function attendance_print_settings_tabs($selected = 'settings') {
     global $CFG;
     // Print tabs for different settings pages.
     $tabs = array();
-    $tabs[] = new tabobject('settings', $CFG->wwwroot.'/admin/settings.php?section=modsettingattendance',
+    $tabs[] = new tabobject('settings', "{$CFG->wwwroot}/{$CFG->admin}/settings.php?section=modsettingattendance",
         get_string('settings', 'attendance'), get_string('settings'), false);
 
     $tabs[] = new tabobject('defaultstatus', $CFG->wwwroot.'/mod/attendance/defaultstatus.php',
diff --git a/resetcalendar.php b/resetcalendar.php
index 2095325..129b5dd 100644
--- a/resetcalendar.php
+++ b/resetcalendar.php
@@ -61,7 +61,7 @@ if (get_config('attendance', 'enablecalendar')) {
     } else {
         if ($DB->record_exists('attendance_sessions', array('caleventid' => 0, 'calendarevent' => 1))) {
             $createurl = new moodle_url('/mod/attendance/resetcalendar.php', array('action' => 'create'));
-            $returnurl = new moodle_url('/admin/settings.php', array('section' => 'modsettingattendance'));
+            $returnurl = new moodle_url("/{$CFG->admin}/settings.php", array('section' => 'modsettingattendance'));
 
             echo $OUTPUT->confirm(get_string('resetcaledarcreate', 'mod_attendance'), $createurl, $returnurl);
         } else {
@@ -79,7 +79,7 @@ if (get_config('attendance', 'enablecalendar')) {
         // Check to see if there are any events that need to be deleted.
         if ($DB->record_exists_select('attendance_sessions', 'caleventid > 0')) {
             $deleteurl = new moodle_url('/mod/attendance/resetcalendar.php', array('action' => 'delete'));
-            $returnurl = new moodle_url('/admin/settings.php', array('section' => 'modsettingattendance'));
+            $returnurl = new moodle_url("/{$CFG->admin}/settings.php", array('section' => 'modsettingattendance'));
 
             echo $OUTPUT->confirm(get_string('resetcaledardelete', 'mod_attendance'), $deleteurl, $returnurl);
         } else {