diff --git a/tge/model.py b/tge/model.py
index 68ec27a..89a8574 100644
--- a/tge/model.py
+++ b/tge/model.py
@@ -5,10 +5,11 @@ class Forum (object):
         self.categories = []
 
 class Post (object):
-    def __init__ (self, title=None, body=None, author=None):
+    def __init__ (self, title=None, body=None, author=None, timestamp=None):
         self.title = title
         self.body = body
         self.author = author
+        self.timestamp = timestamp
 
 class Thread (object):
     def __init__ (self, title=None):