diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/ItemTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/ItemTest.php
index b576f8d28b913763e1c1ac14b9df2ceaee2d36e1..0673aa120a217ae4daa1d549b441a2969c510d81 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/ItemTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/ItemTest.php
@@ -275,8 +275,8 @@ class ItemTest extends \PHPUnit_Framework_TestCase
         $creditmemoMock->expects($this->exactly(4))
             ->method('roundPrice')
             ->will($this->returnCallback(
-                function($arg) {
-                    return round($arg,2);
+                function ($arg) {
+                    return round($arg, 2);
                 }
             ));