diff --git a/renderer.php b/renderer.php
index ca45f24c87c97f0310d76b124dbae5893f5d0fd2..5b2aa2e01a4d0d646dae5ffb4c6b1cb9016ee281 100644
--- a/renderer.php
+++ b/renderer.php
@@ -87,6 +87,7 @@ class block_course_overview_uwmoodle_renderer extends plugin_renderer_base {
             }
             $options[$termcode] = block_course_overview_uwmoodle_get_term_name($termcode);
         }
+        ksort($options, SORT_NUMERIC);
 
         $url = new moodle_url('/my/index.php');
         $select = new single_select($url, 'term', $options, $selectedterm, array());