diff --git a/src/stac_auth_proxy/middleware/Cql2BuildFilterMiddleware.py b/src/stac_auth_proxy/middleware/Cql2BuildFilterMiddleware.py
index 905f895..f4b1bc7 100644
--- a/src/stac_auth_proxy/middleware/Cql2BuildFilterMiddleware.py
+++ b/src/stac_auth_proxy/middleware/Cql2BuildFilterMiddleware.py
@@ -82,6 +82,8 @@ async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
 
         filter_expr = await filter_builder(
             {
+                "request": request,
+                # Warning: this is deprecated...
                 "req": {
                     "path": request.url.path,
                     "method": request.method,