diff --git a/src/keria/peer/exchanging.py b/src/keria/peer/exchanging.py
index 65d1c92a..de8b528d 100644
--- a/src/keria/peer/exchanging.py
+++ b/src/keria/peer/exchanging.py
@@ -143,7 +143,7 @@ def on_post(req, rep, name):
         ims.extend(atc.encode("utf-8"))  # add the pathed attachments
 
         # make a copy and parse
-        agent.hby.psr.parseOne(ims=bytearray(ims))
+        agent.hby.psr.parseOne(ims=bytearray(ims), exc=agent.exc)
 
         msg = dict(said=serder.said, pre=hab.pre, rec=rec, topic=topic)