diff --git a/example.py b/example.py
index e43aa1f..5fb1b37 100644
--- a/example.py
+++ b/example.py
@@ -4,8 +4,8 @@ import json
 import pydusken
 
 # oauth
-client_id = "d802768a8afd9dec2660"
-client_secret = "3962467fe60a94727812053c8a4f44533f4ef610"
+client_id = "4c90c83fa400acadafdf"
+client_secret = "49d2c94c50da6216059f44d89bd87fa18b31f9f7"
 
 # credentials
 username = "admin"
@@ -26,7 +26,7 @@ pprint.pprint(client.members.me())
 pprint.pprint(client.members.get_groups('1'))
 
 # update member password to the same password as you have
-pprint.pprint(client.members.update('1', address='admin'))
+pprint.pprint(client.members.update('1', password='admin'))
 
 # filter members
 pprint.pprint(client.members.filter(email="nikolai@studentersamfundet.no"))
diff --git a/pydusken/__init__.py b/pydusken/__init__.py
index c09064c..3e8db96 100644
--- a/pydusken/__init__.py
+++ b/pydusken/__init__.py
@@ -29,7 +29,7 @@ class DuskenApi(object):
     def authenticate(self, username='', password=''):
         try:
             self.oauth2_access_token = self.get_access_token(username, password, scope='read+write')
-            self.access_token = self.oauth2_access_token
+            self.access_token = self.oauth2_access_token['access_token']
         except requests.exceptions.HTTPError as e:
             logging.error("Could not authenticate with API. Correct client_id, client_secret, username and password?\n{0}".format(e))
             return None
@@ -50,3 +50,21 @@ class DuskenApi(object):
         resp.raise_for_status()
 
         return json.loads(resp.content)
+
+    def raise_for_status(self, resp):
+        """
+            Custom raise_for_status that raises stored :class:`HTTPError` on resp, if one occurred.
+            Prints Error message from Dusken API
+        """
+
+        http_error_msg = ''
+
+        if 400 <= resp.status_code < 500:
+            http_error_msg = '%s Client Error: %s' % (resp.status_code, resp.content)
+
+        elif 500 <= resp.status_code < 600:
+            http_error_msg = '%s Server Error: %s' % (resp.status_code, resp.content)
+
+        if http_error_msg:
+            raise requests.exceptions.HTTPError(http_error_msg, response=resp)
+
diff --git a/pydusken/authentication.py b/pydusken/authentication.py
index 73e4c7e..94b8013 100644
--- a/pydusken/authentication.py
+++ b/pydusken/authentication.py
@@ -43,12 +43,17 @@ class DuskenBackend(object):
         return user
 
     def _refresh_access_token(self, user, access_token):
-        print "lol"
-        try:
-            d = DuskenAccessToken(user=user, **access_token)
-            d.save()
-        except Exception as e:
-            print e
+        d = DuskenAccessToken.objects.filter(user=user)
+        if len(d) == 0:
+            d = DuskenAccessToken(user=user)
+        else:
+            d = d[0]
+
+        d.access_token = access_token['access_token']
+        d.expires_in = access_token['expires_in']
+        d.refresh_token = access_token['refresh_token']
+        d.scope = access_token['scope']
+        d.save()
 
     def _sync_user_detail(self, user):
         me = self._api.members.me()['objects'][0]
@@ -69,7 +74,7 @@ class DuskenBackend(object):
         user = self._get_or_create_local_user(username)
 
         self._refresh_access_token(user, access_token)
-        
+
         self._sync_user_detail(user)
 
         return user
diff --git a/pydusken/members.py b/pydusken/members.py
index 76f30f5..16b7b1c 100644
--- a/pydusken/members.py
+++ b/pydusken/members.py
@@ -33,12 +33,12 @@ class Members(object):
             params['offset'] = offset
 
         resp = self.__GET("{0}/member/".format(self._api.base_url), params=params)
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         return json.loads(resp.content)
 
     def get(self, member_id, memberships=None, groups=None):
         resp = self.__GET("{0}/member/{1}/".format(self._api.base_url, member_id), params=dict(memberships=memberships, groups=groups))
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         return json.loads(resp.content)
 
     def me(self):
@@ -46,12 +46,12 @@ class Members(object):
             Full member with all related data associated to the authenticated user.
         """
         resp = self.__GET("{0}/me/".format(self._api.base_url))
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         return json.loads(resp.content)
 
     def filter(self, username=None, first_name=None, last_name=None, email=None):
         resp = self.__GET("{0}/member/".format(self._api.base_url), params=dict(username=username, first_name=first_name, last_name=last_name, email=email))
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         return json.loads(resp.content)
 
     def get_username_from_email(self, email):
@@ -60,12 +60,12 @@ class Members(object):
 
     def get_groups(self, member_id):
         resp = self.__GET("{0}/member/{1}/groups/".format(self._api.base_url, member_id))
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         return json.loads(resp.content)
 
     def update(self, member_id, password=None):
         #TODO more attributes 
         resp = self.__PATCH("{0}/member/{1}/".format(self._api.base_url, member_id), data=json.dumps(dict(password=password)), headers={'content-type': 'application/json'})
-        resp.raise_for_status()
+        self._api.raise_for_status(resp)
         # Response body is empty
         return True