1 files changed, 4 insertions, 0 deletions

diff --git a/quoins/controllers.py b/quoins/controllers.py
index a3a1c5d..888aa55 100644
--- a/quoins/controllers.py
+++ b/quoins/controllers.py
@@ -473,6 +473,10 @@ Comment:
     
     @expose(template="genshi:quoinstemplates.index")
     def tag(self, tagname, start=0):
+        try:
+            start=int(start)
+        except:
+            raise tg.exceptions.HTTPNotFound().exception
         blog = DBSession.query(Blog).get(1)
         posts = blog.getPostsByTag(tagname)
         d = post_paginate(start, posts, self.post_paginate)