diff --git a/superxas_bec/devices/timepix/timepix.py b/superxas_bec/devices/timepix/timepix.py
index f97d99b..0647091 100644
--- a/superxas_bec/devices/timepix/timepix.py
+++ b/superxas_bec/devices/timepix/timepix.py
@@ -663,9 +663,9 @@ if __name__ == "__main__":  # pragma: no cover
                 n_messages = len(timepix._msg_dump)
                 logger.warning(f"Messages in Buffer is {n_messages}")
                 if n_messages > 0:
-                    msgs = timepix._msg_dump[-1].get("sub_messages", [])
+                    msg = timepix._msg_dump[-1]
                     logger.warning(
-                        f"Last message had start_frame : {len(msgs.get('start_frame'))}, {len(msgs.get('data_frame'))}, end_frame : {len(msgs.get('end_frame'))}"
+                        f"Last message had start_frame : {len(msg.get('start_frame'))}, {len(msg.get('data_frame'))}, end_frame : {len(msg.get('end_frame'))}"
                     )
                 logger.warning()
             status = timepix.complete()