diff --git a/engine/vibes_auth/messaging/auth.py b/engine/vibes_auth/messaging/auth.py
index 6019134e..ab660a9e 100644
--- a/engine/vibes_auth/messaging/auth.py
+++ b/engine/vibes_auth/messaging/auth.py
@@ -36,7 +36,7 @@ class JWTAuthMiddleware(BaseMiddleware):
 
                 class _Req:
                     def __init__(self, token_str: str):
-                        self.META = {"HTTP_AUTHORIZATION": f"Bearer {token_str}"}
+                        self.META = {"HTTP_X_EVIBES_AUTH": f"Bearer {token_str}"}
 
                 user, _ = jwt_auth.authenticate(_Req(token))  # type: ignore[arg-type]
                 scope["user"] = user