diff --git a/apiclient/model.py b/apiclient/model.py
index 0e31053..12fcab6 100644
--- a/apiclient/model.py
+++ b/apiclient/model.py
@@ -261,7 +261,7 @@
 
   def deserialize(self, content):
     body = simplejson.loads(content)
-    if isinstance(body, dict) and 'data' in body:
+    if self._data_wrapper and isinstance(body, dict) and 'data' in body:
       body = body['data']
     return body
 
diff --git a/tests/test_json_model.py b/tests/test_json_model.py
index ececdab..d6cf0c0 100644
--- a/tests/test_json_model.py
+++ b/tests/test_json_model.py
@@ -157,7 +157,6 @@
     except HttpError, e:
       self.assertTrue('not authorized' in str(e))
 
-
   def test_good_response(self):
     model = JsonModel(data_wrapper=True)
     resp = httplib2.Response({'status': '200'})
@@ -242,6 +241,31 @@
                      '--response-end--')
     apiclient.model.logging = old_logging
 
+  def test_no_data_wrapper_deserialize(self):
+    model = JsonModel(data_wrapper=False)
+    resp = httplib2.Response({'status': '200'})
+    resp.reason = 'OK'
+    content = '{"data": "is good"}'
+    content = model.response(resp, content)
+    self.assertEqual(content, {'data': 'is good'})
+
+  def test_data_wrapper_deserialize(self):
+    model = JsonModel(data_wrapper=True)
+    resp = httplib2.Response({'status': '200'})
+    resp.reason = 'OK'
+    content = '{"data": "is good"}'
+    content = model.response(resp, content)
+    self.assertEqual(content, 'is good')
+
+  def test_data_wrapper_deserialize_nodata(self):
+    model = JsonModel(data_wrapper=True)
+    resp = httplib2.Response({'status': '200'})
+    resp.reason = 'OK'
+    content = '{"atad": "is good"}'
+    content = model.response(resp, content)
+    self.assertEqual(content, {'atad': 'is good'})
+
+
 
 if __name__ == '__main__':
   unittest.main()
diff --git a/tests/test_mocks.py b/tests/test_mocks.py
index 6822335..5c51f1a 100644
--- a/tests/test_mocks.py
+++ b/tests/test_mocks.py
@@ -52,7 +52,7 @@
 
   def test_simple_response(self):
     requestBuilder = RequestMockBuilder({
-        'plus.activities.get': (None, '{"data": {"foo": "bar"}}')
+        'plus.activities.get': (None, '{"foo": "bar"}')
         })
     plus = build('plus', 'v1', http=self.http, requestBuilder=requestBuilder)