diff --git a/mock-plugin/src/main/java/io/mosip/esignet/plugin/mock/service/MockKeyBindingWrapperService.java b/mock-plugin/src/main/java/io/mosip/esignet/plugin/mock/service/MockKeyBindingWrapperService.java
index 48dc47ef..4fef2d8f 100644
--- a/mock-plugin/src/main/java/io/mosip/esignet/plugin/mock/service/MockKeyBindingWrapperService.java
+++ b/mock-plugin/src/main/java/io/mosip/esignet/plugin/mock/service/MockKeyBindingWrapperService.java
@@ -174,6 +174,7 @@ public KeyBindingResult doKeyBinding(String individualId, List<AuthChallenge> ch
 
     private void setupMockBindingKey() {
         KeyPairGenerateRequestDto mockBindingKeyRequest = new KeyPairGenerateRequestDto();
+        mockBindingKeyRequest.setReferenceId("");
         mockBindingKeyRequest.setApplicationId(BINDING_SERVICE_APP_ID);
         keymanagerService.generateMasterKey("CSR", mockBindingKeyRequest);
         log.info("===================== MOCK_BINDING_SERVICE KEY SETUP COMPLETED ========================");