diff --git a/services/src/main/java/org/keycloak/authorization/admin/PolicyEvaluationService.java b/services/src/main/java/org/keycloak/authorization/admin/PolicyEvaluationService.java
index 718a691..2e82794 100644
--- a/services/src/main/java/org/keycloak/authorization/admin/PolicyEvaluationService.java
+++ b/services/src/main/java/org/keycloak/authorization/admin/PolicyEvaluationService.java
@@ -38,6 +38,7 @@ import javax.ws.rs.core.Response;
import org.jboss.resteasy.spi.HttpRequest;
import org.keycloak.authorization.AuthorizationProvider;
+import org.keycloak.protocol.oidc.OIDCLoginProtocol;
import org.keycloak.representations.idm.authorization.PolicyEvaluationRequest;
import org.keycloak.authorization.admin.representation.PolicyEvaluationResponseBuilder;
import org.keycloak.authorization.attribute.Attributes;
@@ -234,6 +235,7 @@ public class PolicyEvaluationService {
if (clientId != null) {
ClientModel clientModel = realm.getClientById(clientId);
clientSession = keycloakSession.sessions().createClientSession(realm, clientModel);
+ clientSession.setAuthMethod(OIDCLoginProtocol.LOGIN_PROTOCOL);
userSession = keycloakSession.sessions().createUserSession(realm, userModel, userModel.getUsername(), "127.0.0.1", "passwd", false, null, null);
new TokenManager().attachClientSession(userSession, clientSession);