diff --git a/duckdns/DOCS.md b/duckdns/DOCS.md
index aaf99c4..3f22e38 100644
--- a/duckdns/DOCS.md
+++ b/duckdns/DOCS.md
@@ -143,6 +143,6 @@ In case you've found a bug, please [open an issue on our GitHub][issue].
 [forum]: https://community.home-assistant.io
 [issue]: https://github.com/home-assistant/hassio-addons/issues
 [reddit]: https://reddit.com/r/homeassistant
-[duckdns]: https://duckdns.org
+[duckdns]: https://www.duckdns.org
 [duckdns-faq]: https://www.duckdns.org/faqs.jsp
 [HTTP]: https://www.home-assistant.io/integrations/http/
diff --git a/duckdns/README.md b/duckdns/README.md
index 848819e..94b7243 100644
--- a/duckdns/README.md
+++ b/duckdns/README.md
@@ -13,4 +13,4 @@ Automatically update your Duck DNS IP address with integrated HTTPS support via
 [armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[duckdns]: https://duckdns.org
+[duckdns]: https://www.duckdns.org