diff --git a/coolamqp/attaches/publisher.py b/coolamqp/attaches/publisher.py
index 5f04e5a858ada42094fd10aeefff01113946214a..bfd3bf2e2d4a2f0328f119c82fa5fa53d007871b 100644
--- a/coolamqp/attaches/publisher.py
+++ b/coolamqp/attaches/publisher.py
@@ -237,7 +237,7 @@ class Publisher(Channeler, Synchronized):
                 self.critically_failed = True
                 return
 
-
+        logger.debug('Publisher on_setup, payload=%s', payload)
 
         if isinstance(payload, ChannelOpenOk):
             # Ok, if this has a mode different from MODE_NOACK, we need to additionally set up