diff --git a/srv/extension_service.cds b/srv/extension_service.cds
index aa965430..73477d9c 100644
--- a/srv/extension_service.cds
+++ b/srv/extension_service.cds
@@ -4,8 +4,8 @@ using from '_base/srv/orders-service';
 
 using { Z_bookshop.extension as ext } from '../db/extension';
 
-/*
+
 extend service OrdersService with {
    entity Z_Customers as projection on ext.Z_Customers;
 }
-*/
+