diff --git a/addons/website_forum/controllers/main.py b/addons/website_forum/controllers/main.py
index 81cbfdcadc8..2c6e234d653 100644
--- a/addons/website_forum/controllers/main.py
+++ b/addons/website_forum/controllers/main.py
@@ -346,10 +346,10 @@ class WebsiteForum(http.Controller):
         if not request.session.uid:
             return {'error': 'anonymous_user'}
         user = request.registry['res.users'].browse(request.cr, SUPERUSER_ID, request.uid, context=request.context)
-        if post.parent_id.create_uid.id != uid:
-            return {'error': 'own_post'}
+        if post.parent_id.create_uid.id != uid and user.karma < request.registry['forum.forum']._karma_answer_accept_all:
+            return {'error': 'not_enough_karma', 'karma': request.registry['forum.forum']._karma_answer_accept_all}
         if post.create_uid.id == user.id and user.karma < request.registry['forum.forum']._karma_answer_accept_own:
-            return {'error': 'not_enough_karma', 'karma': 20}
+            return {'error': 'not_enough_karma', 'karma': request.registry['forum.forum']._karma_answer_accept_own}
 
         # set all answers to False, only one can be accepted
         request.registry['forum.post'].write(cr, uid, [c.id for c in post.parent_id.child_ids], {'is_correct': False}, context=context)
diff --git a/addons/website_forum/static/src/js/website_forum.js b/addons/website_forum/static/src/js/website_forum.js
index 0b45d4311c1..9d4e9e587c9 100644
--- a/addons/website_forum/static/src/js/website_forum.js
+++ b/addons/website_forum/static/src/js/website_forum.js
@@ -54,15 +54,10 @@ $(document).ready(function () {
                         '<button type="button" class="close notification_close" data-dismiss="alert" aria-hidden="true">&times;</button>'+
                         'Sorry, anonymous users cannot choose correct answer.'+
                         '</div>');
-                } else if (data['error'] == 'own_post'){
-                    var $warning = $('<div class="alert alert-danger alert-dismissable" id="correct_answer_alert" style="position:absolute; margin-top: -30px; margin-left: 90px;">'+
-                        '<button type="button" class="close notification_close" data-dismiss="alert" aria-hidden="true">&times;</button>'+
-                        'Sorry, only the user who asked this question can accept the answer as correct.'+
-                        '</div>');
                 } else if (data['error'] == 'not_enough_karma') {
                     var $warning = $('<div class="alert alert-danger alert-dismissable" id="vote_alert" style="max-width: 500px; position:absolute; margin-top: -30px; margin-left: 90px;">'+
                         '<button type="button" class="close notification_close" data-dismiss="alert" aria-hidden="true">&times;</button>'+
-                        'Sorry, at least ' + data['karma'] + ' karma is required to accept your own answers. You can gain karma by answering questions and receiving votes.'+
+                        'Sorry, at least ' + data['karma'] + ' karma is required to accept this answer. You can gain karma by answering questions and receiving votes.'+
                         '</div>');
                 }
                 correct_answer_alert = $link.parent().find("#correct_answer_alert");
diff --git a/addons/website_mail/models/mail_thread.py b/addons/website_mail/models/mail_thread.py
index d7f750872ca..bea9178a335 100644
--- a/addons/website_mail/models/mail_thread.py
+++ b/addons/website_mail/models/mail_thread.py
@@ -22,7 +22,7 @@
 from openerp.osv import osv, fields
 
 # TODO for trunk, remove me
-class MailThread(osv.Model):
+class MailThread(osv.AbstractModel):
     _inherit = 'mail.thread'
 
     _columns = {
@@ -37,5 +37,7 @@ class MailThread(osv.Model):
     }
 
     def copy(self, cr, uid, id, default=None, context=None):
+        if default is None:
+            default = {}
         default['website_message_ids'] = []
         return super(MailThread, self).copy(cr, uid, id, default=default, context=context)
\ No newline at end of file
diff --git a/openerp/netsvc.py b/openerp/netsvc.py
index c84228ea6e5..391de55a32e 100644
--- a/openerp/netsvc.py
+++ b/openerp/netsvc.py
@@ -78,7 +78,7 @@ class PostgreSQLHandler(logging.Handler):
         dbname = tools.config['log_db'] or ct_db
         if not dbname:
             return
-        with tools.ignore(Exception), sql_db.db_connect(dbname).cursor() as cr:
+        with tools.ignore(Exception), tools.mute_logger('openerp.sql_db'), sql_db.db_connect(dbname).cursor() as cr:
             msg = tools.ustr(record.msg)
             if record.args:
                 msg = msg % record.args