diff --git a/source/_integrations/xbox.markdown b/source/_integrations/xbox.markdown
index 0dc593798d3..329b58f3138 100644
--- a/source/_integrations/xbox.markdown
+++ b/source/_integrations/xbox.markdown
@@ -18,6 +18,12 @@ The Xbox integration allows you to control Xbox One (or newer) consoles from Hom
 
 Home Assistant authenticates with Xbox Live through OAuth2 using the [Home Assistant Cloud account linking service](/integrations/cloud/). Set up the integration through **Configuration -> Integrations -> Xbox**. Ensure you login using the Microsoft account that is linked to your Xbox consoles.
 
+<div class='note'>
+
+Because it uses the Home Assistant Cloud account linking service you **must** have either `cloud:` or `default_config:` in your `configuration.yaml`.
+
+</div>
+
 - [Media Player](#media-player)
   - [Service `play_media`](#service-play_media)
 - [Remote](#remote)