diff --git a/lib/nntp/tiny/newsgroup.py b/lib/nntp/tiny/newsgroup.py
index 8a841cf..0ee902a 100644
--- a/lib/nntp/tiny/newsgroup.py
+++ b/lib/nntp/tiny/newsgroup.py
@@ -3,4 +3,4 @@ from nntp.tiny.db import DatabaseTable
 class Newsgroup(DatabaseTable):
     name    = 'newsgroup'
     key     = 'id'
-    columns = 'id', 'name', 'description',
+    columns = 'id', 'created_on', 'name', 'description',