diff --git a/modules/ppcp-wc-gateway/services.php b/modules/ppcp-wc-gateway/services.php
index 9de3f627f..4ff949a9d 100644
--- a/modules/ppcp-wc-gateway/services.php
+++ b/modules/ppcp-wc-gateway/services.php
@@ -168,7 +168,7 @@ return array(
 				CreditCardGateway::ID,
 				PayUponInvoiceGateway::ID,
 				CardButtonGateway::ID,
-				OXXOGateway::ID .
+				OXXOGateway::ID,
 				Settings::PAY_LATER_TAB_ID,
 			),
 			true