diff --git a/litellm/router.py b/litellm/router.py
index 5e341bf789..b8db060381 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -857,6 +857,7 @@ class Router:
                 model=model,
                 messages=messages,
                 specific_deployment=kwargs.pop("specific_deployment", None),
+                request_kwargs=kwargs,
             )
             self._update_kwargs_with_deployment(deployment=deployment, kwargs=kwargs)