diff --git a/pylons_app/templates/base/base.html b/pylons_app/templates/base/base.html
--- a/pylons_app/templates/base/base.html
+++ b/pylons_app/templates/base/base.html
@@ -1,4 +1,7 @@
## -*- coding: utf-8 -*-
+##filters definition
+<%namespace name="f" module="pylons_app.lib.filters" inheritable="True"/>
+