diff --git a/collections/hub/inter_scheme/as_payer_scheme/happy_path/discovery.json b/collections/hub/inter_scheme/as_payer_scheme/happy_path/discovery.json
index 620a2225..16add377 100644
--- a/collections/hub/inter_scheme/as_payer_scheme/happy_path/discovery.json
+++ b/collections/hub/inter_scheme/as_payer_scheme/happy_path/discovery.json
@@ -105,7 +105,7 @@
             "type": "fspiop",
             "asynchronous": true
           },
-          "url": "{$inputs.HOST_ORACLE}",
+          "url": "{$inputs.HOST_SIMULATOR}",
           "operationPath": "/participants/{Type}/{ID}",
           "method": "get",
           "params": {