From 59860750be86f743f16ba58002dee58f22465222 Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Tue, 30 Apr 2013 17:41:57 -0700
Subject: [PATCH] fix regression from 9ef506e731233a2473ae07c86eea1da2bd5db943
 with new posts

---
 app/models/post.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index e97a034a7..6cf017458 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -801,7 +801,7 @@ class Post < ActiveRecord::Base
     end
 
     def post_is_not_its_own_parent
-      if id == parent_id
+      if parent_id.present? && id == parent_id
         errors[:base] << "Post cannot have itself as a parent"
         false
       end