diff --git a/lib/nntp/tiny/session.py b/lib/nntp/tiny/session.py
index 996a471..7c4d3f6 100644
--- a/lib/nntp/tiny/session.py
+++ b/lib/nntp/tiny/session.py
@@ -218,7 +218,7 @@ class Session():
         if len(args) > 1:
             msgrange = MessageRange.parse(args[1])
 
-            sql += " and " + msgrange.clause()
+            sql += " and " + msgrange.where()
 
         summary = self._newsgroup_summary(newsgroup)
         cr      = self.db.execute(sql, (newsgroup.id))