diff --git a/ceilometerclient/tests/v2/test_samples.py b/ceilometerclient/tests/v2/test_samples.py
index 5804c7e3..dfbdf39d 100644
--- a/ceilometerclient/tests/v2/test_samples.py
+++ b/ceilometerclient/tests/v2/test_samples.py
@@ -103,7 +103,7 @@ class SampleManagerTest(utils.BaseTestCase):
         expect = [
             'POST', '/v2/meters/instance'
         ]
-        self.http_client.assert_called(*expect, body=CREATE_SAMPLE)
+        self.http_client.assert_called(*expect, body=[CREATE_SAMPLE])
         self.assertIsNotNone(sample)
 
     def test_limit(self):
diff --git a/ceilometerclient/v2/samples.py b/ceilometerclient/v2/samples.py
index b0ff3b54..8081efc9 100644
--- a/ceilometerclient/v2/samples.py
+++ b/ceilometerclient/v2/samples.py
@@ -47,6 +47,6 @@ class SampleManager(base.Manager):
         new = dict((key, value) for (key, value) in kwargs.items()
                    if key in CREATION_ATTRIBUTES)
         url = self._path(counter_name=kwargs['counter_name'])
-        body = self.api.post(url, json=new).json()
+        body = self.api.post(url, json=[new]).json()
         if body:
             return [Sample(self, b) for b in body]