diff --git a/storyboard/api/v1/users.py b/storyboard/api/v1/users.py
index 5b735396..93f3be1b 100644
--- a/storyboard/api/v1/users.py
+++ b/storyboard/api/v1/users.py
@@ -19,6 +19,7 @@ from pecan import request
 from pecan import response
 from pecan import rest
 from pecan.secure import secure
+import six
 from wsme.exc import ClientSideError
 import wsmeext.pecan as wsme_pecan
 
@@ -129,28 +130,23 @@ class UsersController(rest.RestController):
         """
         current_user = users_api.user_get(request.current_user_id)
 
-        if not user or not user.id or not current_user:
-            response.status_code = 404
-            response.body = _("Not found")
-            return response
-
         # Only owners and superadmins are allowed to modify users.
-        if request.current_user_id != user.id \
+        if request.current_user_id != user_id \
                 and not current_user.is_superuser:
             response.status_code = 403
             response.body = _("You are not allowed to update this user.")
             return response
 
         # Strip out values that you're not allowed to change.
-        user_dict = user.as_dict()
-
-        # You cannot modify the openid field.
-        del user_dict['openid']
+        user_dict = user.as_dict(omit_unset=True)
 
         if not current_user.is_superuser:
             # Only superuser may create superusers or modify login permissions.
-            del user_dict['enable_login']
-            del user_dict['is_superuser']
+            if 'enable_login' in six.iterkeys(user_dict):
+                del user_dict['enable_login']
+
+            if 'is_superuser' in six.iterkeys(user_dict):
+                del user_dict['is_superuser']
 
         updated_user = users_api.user_update(user_id, user_dict)
         return wmodels.User.from_db_model(updated_user)
diff --git a/storyboard/tests/api/test_jsonschema.py b/storyboard/tests/api/test_jsonschema.py
index 1d3a3058..282b1826 100644
--- a/storyboard/tests/api/test_jsonschema.py
+++ b/storyboard/tests/api/test_jsonschema.py
@@ -14,7 +14,6 @@
 
 import json
 import six
-import unittest
 
 from storyboard.tests import base
 
@@ -95,7 +94,6 @@ class TestUsers(base.FunctionalTest):
         }
 
         self.put_user_01 = {
-            'id': 2,
             'full_name': 'new full_name of regular User'
         }
 
@@ -115,12 +113,10 @@ class TestUsers(base.FunctionalTest):
         create_invalid_length(self, self.user_03, self.resource, 'full_name')
         create_invalid_required(self, self.user_04, self.resource, 'username')
 
-    @unittest.skip("Method put in UsersController must be modified.")
     def test_update(self):
         resource = "".join([self.resource, "/2"])
         update(self, self.put_user_01, resource)
 
-    @unittest.skip("Method put in UsersController must be modified.")
     def test_update_invalid(self):
         resource = "".join([self.resource, "/2"])
         update_invalid(self, self.put_user_02, resource, 'full_name')
diff --git a/storyboard/tests/api/test_users.py b/storyboard/tests/api/test_users.py
index dd59e9cf..1c07b4d1 100644
--- a/storyboard/tests/api/test_users.py
+++ b/storyboard/tests/api/test_users.py
@@ -12,7 +12,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import unittest
 
 from storyboard.db.api import users as user_api
 from storyboard.tests import base
@@ -24,7 +23,6 @@ class TestUsersAsSuperuser(base.FunctionalTest):
         self.resource = '/users'
         self.default_headers['Authorization'] = 'Bearer valid_superuser_token'
 
-    @unittest.skip("Method put in UsersController must be modified.")
     def test_update_enable_login(self):
         path = self.resource + '/2'
 
@@ -32,9 +30,7 @@ class TestUsersAsSuperuser(base.FunctionalTest):
         self.assertIsNotNone(jenkins)
 
         # Try to modify the enable_login field
-        jenkins['enable_login'] = False
-
-        self.put_json(path, jenkins)
+        self.put_json(path, {'enable_login': False})
         user = user_api.user_get(user_id=2)
         self.assertFalse(user.enable_login)
 
@@ -52,9 +48,7 @@ class TestUsersAsUser(base.FunctionalTest):
         self.assertIsNotNone(jenkins)
 
         # Try to modify the enable_login field
-        jenkins['enable_login'] = False
-
-        self.put_json(path, jenkins)
+        self.put_json(path, {'enable_login': False})
         user = user_api.user_get(user_id=2)
         self.assertTrue(user.enable_login)