diff --git a/app/main.py b/app/main.py
index 446ca3b..d656034 100644
--- a/app/main.py
+++ b/app/main.py
@@ -55,7 +55,7 @@ async def inbox(
         await save_incoming(db_session, payload)
         return Response(status_code=202)
     else:
-        return Response(status_code=401)
+        return Response(status_code=406)
 
 @app.get("/.well-known/webfinger")
 async def wellknown_webfinger(resource: str) -> JSONResponse: