1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index 33653d4fbf..0fae1702a6 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -154,7 +154,7 @@ class SMTPChannel(asynchat.async_chat):
         else:
             self._emptystring = b''
             self._linesep = b'\r\n'
-            self._dotsep = b'.'
+            self._dotsep = ord(b'.')
             self._newline = b'\n'
         self._set_rset_state()
         self.seen_greeting = ''