diff --git a/addons/website_forum/controllers/main.py b/addons/website_forum/controllers/main.py
index 90cbf0ba722..354aa52c8b3 100644
--- a/addons/website_forum/controllers/main.py
+++ b/addons/website_forum/controllers/main.py
@@ -348,7 +348,7 @@ class WebsiteForum(http.Controller):
             return {'error': 'own_post'}
         user = request.registry['res.users'].browse(request.cr, SUPERUSER_ID, request.uid, context=request.context)
         if user.karma <= 5:
-            return {'error': 'not_enough_karma', 'karma': 5}
+            return {'error': 'not_enough_karma', 'karma': 1}
         return request.registry['forum.post'].vote(request.cr, request.uid, [post.id], upvote=True, context=request.context)
 
     @http.route('/forum/<model("forum.forum"):forum>/post/<model("forum.post"):post>/downvote', type='json', auth="public", multilang=True, website=True)
diff --git a/addons/website_forum/models/forum.py b/addons/website_forum/models/forum.py
index 4a368c361a4..031ae4b33e1 100644
--- a/addons/website_forum/models/forum.py
+++ b/addons/website_forum/models/forum.py
@@ -176,15 +176,14 @@ class Post(osv.Model):
             context = {}
         create_context = dict(context, mail_create_nolog=True)
         post_id = super(Post, self).create(cr, uid, vals, context=create_context)
-        post = self.browse(cr, uid, post_id, context=context)
         # post message + subtype depending on parent_id
         if vals.get("parent_id"):
             parent = self.browse(cr, SUPERUSER_ID, vals['parent_id'], context=context)
             body = _('<p><a href="forum/%s/question/%s">New Answer Posted</a></p>' % (slug(parent.forum_id), slug(parent)))
             self.message_post(cr, uid, parent.id, subject=_('Re: %s') % parent.name, body=body, subtype='website_forum.mt_answer_new', context=context)
         else:
-            self.message_post(cr, uid, post.id, subject=post.name, body=_('New Question Created'), subtype='website_forum.mt_question_new', context=context)
-            self.pool['res.users'].write(cr, SUPERUSER_ID, [post.create_uid.id], {'karma': 2}, context=context)
+            self.message_post(cr, uid, post_id, subject=vals.get('name', ''), body=_('New Question Created'), subtype='website_forum.mt_question_new', context=context)
+            self.pool['res.users'].add_karma(cr, SUPERUSER_ID, [uid], 2, context=context)
         return post_id
 
     def write(self, cr, uid, ids, vals, context=None):
@@ -203,7 +202,7 @@ class Post(osv.Model):
         if 'correct' in vals:
             for post in self.browse(cr, uid, ids, context=context):
                 karma_value = 15 if vals.get('correct') else -15
-                self.pool['res.users'].write(cr, SUPERUSER_ID, [post.create_uid.id], {'karma': karma_value}, context=context)
+                self.pool['res.users'].add_karma(cr, SUPERUSER_ID, [post.create_uid.id], {'karma': karma_value}, context=context)
         return res
 
     def vote(self, cr, uid, ids, upvote=True, context=None):
@@ -241,7 +240,7 @@ class Vote(osv.Model):
     _description = 'Vote'
     _columns = {
         'post_id': fields.many2one('forum.post', 'Post', ondelete='cascade', required=True),
-        'user_id': fields.many2one('res.users', 'User'),
+        'user_id': fields.many2one('res.users', 'User', required=True),
         'vote': fields.selection([('1', '1'), ('-1', '-1'), ('0', '0')], 'Vote', required=True),
         'create_date': fields.datetime('Create Date', select=True, readonly=True),
     }
@@ -250,23 +249,19 @@ class Vote(osv.Model):
         'vote': lambda *args: '1',
     }
 
-    def update_karma(self, cr, uid, ids, new_vote='0', old_vote='0', context=None):
-        karma_value = (int(new_vote) - int(old_vote)) * 10
-        if karma_value:
-            for vote in self.browse(cr, uid, ids, context=context):
-                self.pool['res.users'].add_karma(cr, SUPERUSER_ID, [vote.post_id.create_uid.id], karma_value, context=context)
-        return True
-
     def create(self, cr, uid, vals, context=None):
         vote_id = super(Vote, self).create(cr, uid, vals, context=context)
-        self.update_karma(cr, uid, [vote_id], new_vote=vals.get('vote', '1'), context=context)
+        karma_value = int(vals.get('vote', '1')) * 10
+        post = self.pool['forum.post'].browse(cr, uid, vals.get('post_id'), context=context)
+        self.pool['res.users'].add_karma(cr, SUPERUSER_ID, post.create_uid.id, karma_value, context=context)
         return vote_id
 
     def write(self, cr, uid, ids, values, context=None):
-        res = super(Vote, self).write(cr, uid, ids, values, context=context)
         if 'vote' in values:
             for vote in self.browse(cr, uid, ids, context=context):
-                self.update_karma(cr, uid, ids, new_vote=values['vote'], old_vote=vote.vote, context=context)
+                karma_value = (int(values.get('vote')) - int(vote.vote)) * 10
+                self.pool['res.users'].add_karma(cr, SUPERUSER_ID, vote.post_id.create_uid.id, karma_value, context=context)
+        res = super(Vote, self).write(cr, uid, ids, values, context=context)
         return res
 
 
diff --git a/addons/website_forum/models/res_users.py b/addons/website_forum/models/res_users.py
index 89a23cc2901..3170fedf50a 100644
--- a/addons/website_forum/models/res_users.py
+++ b/addons/website_forum/models/res_users.py
@@ -32,6 +32,8 @@ class Users(osv.Model):
     }
 
     def add_karma(self, cr, uid, ids, karma, context=None):
+        if isinstance(ids, (int, long)):
+            ids = [ids]
         for user in self.browse(cr, uid, ids, context=context):
             self.write(cr, uid, [user.id], {'karma': user.karma + karma}, context=context)
         return True