diff --git a/course/format/singleactivity/lib.php b/course/format/singleactivity/lib.php
index 1ee26501233..55e0a92a6d6 100644
--- a/course/format/singleactivity/lib.php
+++ b/course/format/singleactivity/lib.php
@@ -146,6 +146,7 @@ class format_singleactivity extends core_courseformat\base {
 
         if ($fetchtypes) {
             $availabletypes = $this->get_supported_activities();
+            core_collator::asort($availabletypes);
             if ($this->courseid) {
                 // The course exists. Test against the course.
                 $testcontext = context_course::instance($this->courseid);