diff --git a/config/services_registry.yml b/config/services_registry.yml
index d3d2664..0f23ef7 100644
--- a/config/services_registry.yml
+++ b/config/services_registry.yml
@@ -1,7 +1,7 @@
 next_available_id: 1
 next_available_ioc_port: 50003
 services:
-  000:
+  "000":
     name: master
     ioc_port: 50011
     status: active