diff --git a/completion/completion_completion.php b/completion/completion_completion.php
index 54adf228420d0..47bd4c003f9fb 100644
--- a/completion/completion_completion.php
+++ b/completion/completion_completion.php
@@ -179,8 +179,10 @@ public function mark_complete($timecomplete = null) {
         // Notify user.
         $course = get_course($data->course);
         $messagesubject = get_string('coursecompleted', 'completion');
+        $options = new stdClass();
+        $options->context = context_course::instance($course->id);
         $a = [
-            'coursename' => get_course_display_name_for_list($course),
+            'coursename' => format_string(get_course_display_name_for_list($course), true, $options),
             'courselink' => (string) new moodle_url('/course/view.php', array('id' => $course->id)),
         ];
         $messagebody = get_string('coursecompletedmessage', 'completion', $a);