diff --git a/cyclone/auth.py b/cyclone/auth.py
index b0ffae1f0b..8cef118cbe 100644
--- a/cyclone/auth.py
+++ b/cyclone/auth.py
@@ -1024,7 +1024,6 @@ def _on_get_user_info(self, callback, session, fields, user):
         if user is None:
             callback(None)
             return
-        
         fieldmap = {}
         for field in fields:
             fieldmap[field] = user.get(field)
@@ -1079,7 +1078,7 @@ def _on_post(self, new_entry):
         callback = self.async_callback(self._on_facebook_request, callback)
         if post_args is not None:
             httpclient.fetch(url, method="POST",
-                    body=urllib.urlencode(post_args)).addCallback(callback)
+                    postdata=urllib.urlencode(post_args)).addCallback(callback)
         else:
             httpclient.fetch(url).addCallback(callback)
 
diff --git a/cyclone/tests/test_auth.py b/cyclone/tests/test_auth.py
new file mode 100644
index 0000000000..e387d78a31
--- /dev/null
+++ b/cyclone/tests/test_auth.py
@@ -0,0 +1,50 @@
+# coding: utf-8
+#
+# Copyright 2010 Alexandre Fiori
+# based on the original Tornado by Facebook
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import urllib
+import cyclone.web
+
+from twisted.trial import unittest
+from twisted.internet import defer
+from cyclone.auth import FacebookGraphMixin
+from mock import patch, MagicMock
+
+
+class TestHandler(cyclone.web.RequestHandler,
+                  FacebookGraphMixin):
+    pass
+
+
+class TestFacebookGraphMixin(unittest.TestCase):
+    def setUp(self):
+        self.fgm = TestHandler(MagicMock(), MagicMock())
+
+    @patch('cyclone.auth.httpclient.fetch')
+    def test_facebook_request_post(self, mock):
+        _args = {'message': 'test message'}
+        self.fgm.facebook_request(
+            "/me/feed",
+            callback=self.fgm.async_callback(lambda x: x),
+            access_token='dummy_token',
+            post_args=_args
+        )
+
+        self.assertTrue(mock.called)
+        args, kwargs = mock.call_args
+        self.assertIn('postdata', kwargs)
+        self.assertEqual(kwargs['postdata'],
+                         urllib.urlencode(_args))