diff --git a/tests/PayPal/Test/Api/OrderTest.php b/tests/PayPal/Test/Api/OrderTest.php
index 1b28343..946852d 100644
--- a/tests/PayPal/Test/Api/OrderTest.php
+++ b/tests/PayPal/Test/Api/OrderTest.php
@@ -54,7 +54,7 @@ class OrderTest extends \PHPUnit_Framework_TestCase {
         $o1 = $this->order;
 
         $o2 = new Order();
-        $o2->fromJson($this->o1->toJson());
+        $o2->fromJson($o1->toJson());
 
         $this->assertEquals($o1, $o2);
     }