From 940fc3fc65d8000198727cf71dd7b472874158a8 Mon Sep 17 00:00:00 2001
From: Andrew O'Neil <andy@andyofniall.net>
Date: Mon, 23 Jul 2007 23:00:11 +0000
Subject: [PATCH] Fixed php notice

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@39160 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/DataObject.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/model/DataObject.php b/core/model/DataObject.php
index 2600ef376..88260429e 100644
--- a/core/model/DataObject.php
+++ b/core/model/DataObject.php
@@ -704,7 +704,7 @@ class DataObject extends Controller {
 				break;
 			}
 		}
-		if(!$joinField) {
+		if(!isset($joinField)) {
 			$joinField = 'ParentID';
 		}