diff --git a/plinth/modules/dynamicdns/templates/dynamicdns_configure.html b/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
index 61e44f26c..774febfe6 100644
--- a/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
+++ b/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
@@ -66,6 +66,7 @@
       $('#id_dynamicdns-enabled').change(function() {
         if ($('#id_dynamicdns-enabled').prop('checked')) {
           show_all();
+          configure_dropdown();
         } else {
           $('.form-group').hide();
           $('#id_dynamicdns-enabled').closest('.form-group').show();