diff --git a/ring_doorbell/auth.py b/ring_doorbell/auth.py
index 0b5a44d..ac6790d 100644
--- a/ring_doorbell/auth.py
+++ b/ring_doorbell/auth.py
@@ -92,7 +92,7 @@ async def async_fetch_token(
 
         try:
             body = self._oauth_client.prepare_request_body(
-                username, password, scope=OAuth.SCOPE
+                username, password, scope=OAuth.SCOPE, include_client_id=True
             )
             data = dict(urldecode(body))
             resp = await self._session.request(