diff --git a/screenless/bureau/mailroom/mailroom.py b/screenless/bureau/mailroom/mailroom.py
index bdc8f31..5724200 100644
--- a/screenless/bureau/mailroom/mailroom.py
+++ b/screenless/bureau/mailroom/mailroom.py
@@ -303,7 +303,7 @@ class MailRoom(Bureau):
         for msgid, data in resp.items():
             #msg = self._make_msg_object(msgid, data)
             msg = Message()
-            shortcode = self._imap2shortcode(msgid).decode("utf-8")
+            shortcode = self._imap2shortcode(msgid)
             envelope = data[b"ENVELOPE"]
 
             msg.msgid = str(msgid)