diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index d63ae95d464..5f3b05eff86 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -134,8 +134,8 @@ class SMTPChannel(asynchat.async_chat):
         self.conn = conn
         self.addr = addr
         self.data_size_limit = data_size_limit
-        self.enable_SMTPUTF8 = enable_SMTPUTF8 = bool(enable_SMTPUTF8)
-        self._decode_data = decode_data = bool(decode_data)
+        self.enable_SMTPUTF8 = enable_SMTPUTF8
+        self._decode_data = decode_data
         if enable_SMTPUTF8 and decode_data:
             raise ValueError("decode_data and enable_SMTPUTF8 cannot"
                              " be set to True at the same time")
@@ -632,8 +632,8 @@ class SMTPServer(asyncore.dispatcher):
         self._localaddr = localaddr
         self._remoteaddr = remoteaddr
         self.data_size_limit = data_size_limit
-        self.enable_SMTPUTF8 = enable_SMTPUTF8 = bool(enable_SMTPUTF8)
-        self._decode_data = decode_data = bool(decode_data)
+        self.enable_SMTPUTF8 = enable_SMTPUTF8
+        self._decode_data = decode_data
         if enable_SMTPUTF8 and decode_data:
             raise ValueError("decode_data and enable_SMTPUTF8 cannot"
                              " be set to True at the same time")