diff --git a/app/views/purchase_orders/edit.ctp b/app/views/purchase_orders/edit.ctp
index 3a747854..2b01996e 100755
--- a/app/views/purchase_orders/edit.ctp
+++ b/app/views/purchase_orders/edit.ctp
@@ -5,7 +5,6 @@
         <legend><?php __('Edit PurchaseOrder');?></legend>
 
 
-
 	<?php
 	//format the mySQL date in the nice readable format.
 	if($this->data['PurchaseOrder']['issue_date'] != '0000-00-00') {
@@ -66,7 +65,7 @@
 	echo $form->input('title', array('readonly'=>'readonly'));
 	echo $form->input('principle_id');
 	echo $form->input('principle_reference');
-	echo $form->input('document_id', array('value'=>0, 'type'=>'hidden'));
+	echo $form->input('document_id', array('value'=> $this->data['PurchaseOrder']['document_id'], 'type'=>'hidden'));
 	echo $form->input('Job', array('label'=>'Jobs in this PO',
 	'type'=>'select',
 	'multiple'=>'checkbox',