diff --git a/source/_addons/duckdns.markdown b/source/_addons/duckdns.markdown
index 4626bd7617e..d1726880996 100644
--- a/source/_addons/duckdns.markdown
+++ b/source/_addons/duckdns.markdown
@@ -55,7 +55,7 @@ Use the following configuration in Home Assistant to use the generated certifica
 
 ```yaml
 http:
-  base_url: my-domain.duckdns.org:8123
+  base_url: https://my-domain.duckdns.org:8123
   ssl_certificate: /ssl/fullchain.pem
   ssl_key: /ssl/privkey.pem
 ```