From 39c6656e491727d7234b6567b036c90a660fb30a Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Sun, 25 Jan 2015 23:57:42 +0200
Subject: [PATCH] Fixed issue related to invoice history

---
 app/controllers/InvoiceController.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/InvoiceController.php b/app/controllers/InvoiceController.php
index 76227683bdfc..929f10e1a390 100755
--- a/app/controllers/InvoiceController.php
+++ b/app/controllers/InvoiceController.php
@@ -518,7 +518,7 @@ class InvoiceController extends \BaseController
             $backup->invoice_date = Utils::fromSqlDate($backup->invoice_date);
             $backup->due_date = Utils::fromSqlDate($backup->due_date);
             $backup->is_pro = Auth::user()->isPro();
-            $backup->is_quote = intval($backup->is_quote);
+            $backup->is_quote = isset($backup->is_quote) && intval($backup->is_quote);
             $backup->account = $invoice->account->toArray();
 
             $versionsJson[$activity->id] = $backup;