diff --git a/inbox.py b/inbox.py
index 3aa96c36d..6f2ba0b06 100644
--- a/inbox.py
+++ b/inbox.py
@@ -3180,6 +3180,7 @@ def _valid_post_content(base_dir: str, nickname: str, domain: str,
                     return False
     if invalid_ciphertext(message_json['object']['content']):
         print('REJECT: malformed ciphertext in content ' +
+              message_json['object']['id'] + ' ' +
               message_json['object']['content'])
         return False
     if debug: