diff --git a/dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductRepositoryInterfaceTest.php b/dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductRepositoryInterfaceTest.php
index 7b7ec5e628d88aff140abfac80ac4051707c02c5..13e0c4697cc94df0a867d8d0d89bf6369a5770f4 100644
--- a/dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductRepositoryInterfaceTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductRepositoryInterfaceTest.php
@@ -314,7 +314,7 @@ class ProductRepositoryInterfaceTest extends WebapiAbstract
         $weight = 12.2;
         $sku = 'simple_product_without_specified_type';
         $product = [
-            'sku' => '' . $sku . '',
+            'sku' => $sku,
             'name' => 'Simple Product Without Specified Type',
             'price' => $price,
             'weight' => $weight,