diff --git a/twitter/direct_message.py b/twitter/direct_message.py
index 2600dc74..012c7dbb 100644
--- a/twitter/direct_message.py
+++ b/twitter/direct_message.py
@@ -132,7 +132,7 @@ def CreatedAtInSeconds(self):
         Returns:
           The time this direct message was posted, in seconds since the epoch.
         """
-        return timegm(rfc822.parsedate(self.created_at))
+        return timegm(parsedate(self.created_at))
 
     @property
     def SenderScreenName(self):