diff --git a/crowdsourcing/discourse.py b/crowdsourcing/discourse.py
index 67003159f..c9ee29dfe 100644
--- a/crowdsourcing/discourse.py
+++ b/crowdsourcing/discourse.py
@@ -164,6 +164,17 @@ def create_topic(self, title, category, timeout, price, requester_handle, projec
                                         "**Timeout** : %s \n" % (title, preview_url, requester_handle, price, timeout),
                                 **kwargs)
 
+    def update_topic(self, topicURL, status, enabled, **kwargs):
+        """ Edit an atribute of a topic
+        status: string
+        enabled: string
+        """
+        url = topicURL + '/status'
+        kwargs['status'] = status
+        kwargs['enabled'] = enabled
+
+        return self._post(url, **kwargs)
+
     def topic_timings(self, topic_id, time, timings={}, **kwargs):
         """ Set time spent reading a post
         time: overall time for the topic
diff --git a/crowdsourcing/tasks.py b/crowdsourcing/tasks.py
index 66e12f88f..eb05eb03e 100644
--- a/crowdsourcing/tasks.py
+++ b/crowdsourcing/tasks.py
@@ -84,7 +84,7 @@ def expire_tasks():
                 INNER JOIN crowdsourcing_task t ON  tw.task_id = t.id
                 INNER JOIN crowdsourcing_project p ON t.project_id = p.id
                 INNER JOIN crowdsourcing_taskworkersession sessions ON sessions.task_worker_id = tw.id
-                WHERE tw.status=%(in_progress)s 
+                WHERE tw.status=%(in_progress)s
                 GROUP BY tw.id, p.id
                 HAVING sum(coalesce(sessions.ended_at, now()) - sessions.started_at) >
                     coalesce(p.timeout, INTERVAL '24 hour'))
@@ -136,7 +136,7 @@ def auto_approve_tasks():
             INNER JOIN auth_user u_worker ON tw.worker_id = u_worker.id
             WHERE tw.submitted_at + INTERVAL %(auto_approve_freq)s < NOW()
             AND tw.status=%(submitted)s)
-            UPDATE crowdsourcing_taskworker tw_up SET status=%(accepted)s, approved_at = %(approved_at)s, 
+            UPDATE crowdsourcing_taskworker tw_up SET status=%(accepted)s, approved_at = %(approved_at)s,
             auto_approved=TRUE
         FROM taskworkers
         WHERE taskworkers.id=tw_up.id
@@ -1198,6 +1198,9 @@ def post_to_discourse(project_id):
 
             if topic is not None:
                 url = '/t/%s/%d' % (topic['topic_slug'], topic['topic_id'])
+
+                client.update_topic(url,'visible','false')
+
                 instance.discussion_link = url
                 instance.topic_id = topic['topic_id']
                 instance.post_id = topic['id']