diff --git a/lms/djangoapps/django_comment_client/base/views.py b/lms/djangoapps/django_comment_client/base/views.py
index f08c302bdb..6734625a76 100644
--- a/lms/djangoapps/django_comment_client/base/views.py
+++ b/lms/djangoapps/django_comment_client/base/views.py
@@ -295,13 +295,13 @@ def undo_vote_for_thread(request, course_id, thread_id):
 def pin_thread(request, course_id, thread_id):
     user = cc.User.from_django_user(request.user)
     thread = cc.Thread.find(thread_id)
-    thread.pin(user,thread)
+    thread.pin(user,thread_id)
     return JsonResponse(utils.safe_content(thread.to_dict()))
 
 def un_pin_thread(request, course_id, thread_id):
     user = cc.User.from_django_user(request.user)
     thread = cc.Thread.find(thread_id)
-    thread.un_pin(user,thread)
+    thread.un_pin(user,thread_id)
     return JsonResponse(utils.safe_content(thread.to_dict()))
 
 
diff --git a/lms/lib/comment_client/thread.py b/lms/lib/comment_client/thread.py
index 9fe1b4397f..ccf11f7b1b 100644
--- a/lms/lib/comment_client/thread.py
+++ b/lms/lib/comment_client/thread.py
@@ -84,6 +84,8 @@ class Thread(models.Model):
         url = _url_for_pin_thread(thread_id)
         params = {'user_id': user.id}
         request = perform_request('put', url, params)
+        print "\n\n\n\n\n\n*******************"
+        print request
         self.update_attributes(request)    
 
     def un_pin(self, user, thread_id):