diff --git a/src/Eccube/Controller/Admin/Customer/CustomerEditController.php b/src/Eccube/Controller/Admin/Customer/CustomerEditController.php
index 44b096b2905..36cc64fab5b 100644
--- a/src/Eccube/Controller/Admin/Customer/CustomerEditController.php
+++ b/src/Eccube/Controller/Admin/Customer/CustomerEditController.php
@@ -79,7 +79,7 @@ public function index(Application $app, Request $request, $id = null)
                         ->setCompanyName($Customer->getCompanyName())
                         ->setZip01($Customer->getZip01())
                         ->setZip02($Customer->getZip02())
-                        ->setZipcode($Customer->getZip01() . $Customer->getZip02())
+                        ->setZipcode($Customer->getZip01().$Customer->getZip02())
                         ->setPref($Customer->getPref())
                         ->setAddr01($Customer->getAddr01())
                         ->setAddr02($Customer->getAddr02())