1 files changed, 4 insertions, 2 deletions
diff --git a/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/client/zts/DefaultZtsClient.java b/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/client/zts/DefaultZtsClient.java
index 7116bf72ec4..13150158dad 100644
--- a/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/client/zts/DefaultZtsClient.java
+++ b/vespa-athenz/src/main/java/com/yahoo/vespa/athenz/client/zts/DefaultZtsClient.java
@@ -67,9 +67,10 @@ public class DefaultZtsClient extends ClientBase implements ZtsClient {
     public InstanceIdentity registerInstance(AthenzIdentity providerIdentity,
                                              AthenzIdentity instanceIdentity,
                                              String attestationData,
+                                             String hostname,
                                              Pkcs10Csr csr) {
         InstanceRegisterInformation payload =
-                new InstanceRegisterInformation(providerIdentity, instanceIdentity, attestationData, csr);
+                new InstanceRegisterInformation(providerIdentity, instanceIdentity, attestationData, hostname, csr);
         HttpUriRequest request = RequestBuilder.post()
                 .setUri(ztsUrl.resolve("instance/"))
                 .setEntity(toJsonStringEntity(payload))
@@ -81,8 +82,9 @@ public class DefaultZtsClient extends ClientBase implements ZtsClient {
     public InstanceIdentity refreshInstance(AthenzIdentity providerIdentity,
                                             AthenzIdentity instanceIdentity,
                                             String instanceId,
+                                            String hostname,
                                             Pkcs10Csr csr) {
-        InstanceRefreshInformation payload = new InstanceRefreshInformation(csr);
+        InstanceRefreshInformation payload = new InstanceRefreshInformation(csr, hostname);
         URI uri = ztsUrl.resolve(
                 String.format("instance/%s/%s/%s/%s",
                               providerIdentity.getFullName(),