diff --git a/app/assets/javascripts/comment.js b/app/assets/javascripts/comment.js
index 54c2e6d6f4..42e6b77c2a 100644
--- a/app/assets/javascripts/comment.js
+++ b/app/assets/javascripts/comment.js
@@ -23,7 +23,8 @@
 
     if(!$(this).hasClass('bound-error')) {
       $(this).addClass('bound-error').bind('ajax:error', function(e,response){
-        notyNotification('mint', 3000, 'success', 'topRight', 'Some error occured while adding comment');
+        notyNotification('mint', 3000, 'error', 'topRight', 'Some error occured while adding comment');
+        $(this).find('#text-input').prop('disabled',false);
         $(this).find('.control-group').addClass('has-error')
         $(this).find('.control-group .help-block ').remove()
         $(this).find('#text-input').val('');
diff --git a/app/controllers/comment_controller.rb b/app/controllers/comment_controller.rb
index f8c9948c6f..8cb5e97799 100644
--- a/app/controllers/comment_controller.rb
+++ b/app/controllers/comment_controller.rb
@@ -51,8 +51,8 @@ def create
         end
       end
     rescue CommentError
-      flash[:error] = 'The comment could not be saved.'
-      render plain: 'failure'
+      flash.now[:error] = 'The comment could not be saved.'
+      render plain: 'failure', status: :bad_request
     end
   end