diff --git a/plinth/modules/dynamicdns/templates/dynamicdns_configure.html b/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
index dc74f7b31..9cfa547f5 100644
--- a/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
+++ b/plinth/modules/dynamicdns/templates/dynamicdns_configure.html
@@ -47,7 +47,7 @@
                      'password=<Pass>&myip=<Ip>'
       var NOIP     = 'http://dynupdate.no-ip.com/nic/update?hostname=' +
                      '<Domain>&myip=<Ip>'
-      var FREEDNS  = 'http://freedns.afraid.org/dynamic/update.php?' +
+      var FREEDNS  = 'https://freedns.afraid.org/dynamic/update.php?' +
                      '_YOURAPIKEYHERE_'
 
       //hide javascript warning