diff --git a/src/blueskysocial/client.py b/src/blueskysocial/client.py
index f88d169..674e68f 100644
--- a/src/blueskysocial/client.py
+++ b/src/blueskysocial/client.py
@@ -131,7 +131,7 @@ def post_reply(self, post: Post, references: Dict[str, Dict[str, str]]) -> dict:
             json={
                 "repo": self.did,
                 "collection": POST_TYPE,
-                "record": post.build(self._session),
+                "record": record,
             },
             timeout=10,
         )