diff --git a/aider/repo.py b/aider/repo.py
index 8122df748..c4b3843ec 100644
--- a/aider/repo.py
+++ b/aider/repo.py
@@ -178,7 +178,11 @@ class GitRepo:
             max_tokens = model.info.get("max_input_tokens") or 0
             if max_tokens and num_tokens > max_tokens:
                 continue
-            commit_message = simple_send_with_retries(model.name, messages)
+            commit_message = simple_send_with_retries(
+                model.name,
+                messages,
+                extra_headers=model.extra_headers
+            )
             if commit_message:
                 break