--- a/src/pyams_form/form.py	Wed May 20 12:24:32 2015 +0200
+++ b/src/pyams_form/form.py	Wed May 20 12:24:59 2015 +0200
@@ -32,10 +32,10 @@
 from pyams_form.group import GroupsBasedForm
 from pyams_pagelet.interfaces import PageletCreatedEvent
 from pyams_skin.skin import apply_skin
+from pyams_utils.url import absolute_url
 from pyramid.decorator import reify
 from pyramid.events import subscriber
 from pyramid.response import Response
-from pyramid.url import resource_url
 from pyramid_zope_request import PyramidToPublisher, PyramidPublisherRequest
 from z3c.form.button import Buttons
 from z3c.form.form import applyChanges, \
@@ -209,13 +209,13 @@
     ajax_callback = FieldProperty(IAJAXForm['ajax_callback'])
 
     def get_form_action(self):
-        return resource_url(self.context, self.request, self.request.view_name)
+        return absolute_url(self.context, self.request, self.request.view_name)
 
     def get_form_options(self):
         return json.dumps(self.form_options) if self.form_options else None
 
     def get_ajax_handler(self):
-        return resource_url(self.context, self.request, self.ajax_handler)
+        return absolute_url(self.context, self.request, self.ajax_handler)
 
     def get_ajax_errors(self):
         """Extract form errors in AJAX format"""