diff --git a/litellm/main.py b/litellm/main.py
index 3429cab4d..f6014c2d3 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -552,7 +552,7 @@ def completion(
     model_info = kwargs.get("model_info", None)
     proxy_server_request = kwargs.get("proxy_server_request", None)
     fallbacks = kwargs.get("fallbacks", None)
-    headers = kwargs.get("headers", None)
+    headers = kwargs.get("headers", None) or extra_headers
     num_retries = kwargs.get("num_retries", None)  ## deprecated
     max_retries = kwargs.get("max_retries", None)
     context_window_fallback_dict = kwargs.get("context_window_fallback_dict", None)