diff --git a/lib/nntp/tiny/session.py b/lib/nntp/tiny/session.py
index 5cd6b6c..159aed3 100644
--- a/lib/nntp/tiny/session.py
+++ b/lib/nntp/tiny/session.py
@@ -150,7 +150,7 @@ class Session():
                 newsgroup_id = ?
         """
 
-        cr  = self.db.execute(sql, (newsgroup.id))
+        cr  = self.db.execute(sql, (newsgroup.id,))
         row = cr.fetchone()
 
         text = "%d %d %d %s" % (