diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
index ede975c4e7d1..a23c1c9a9abe 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
@@ -218,6 +218,7 @@
   "oauth.scope_validator.jdbc.enable": true,
   "oauth.scope_validator.jdbc.class": "org.wso2.carbon.identity.oauth2.validators.JDBCScopeValidator",
   "oauth.scope_validator.xacml.enable": false,
+  "oauth.scope_validator.xacml.class": "org.wso2.carbon.identity.oauth2.validators.xacml.XACMLScopeValidator",
   "oauth.scope_validator.authz_implicit.enable": true,
   "oauth.scope_validator.preserve_case_sensitivity": false,
   "oauth.grant_type.saml_bearer.user_type": "FEDERATED",