Get Optional for message

1 files changed, 1 insertions, 1 deletions

diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/billing/BillingApiHandlerV2.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/billing/BillingApiHandlerV2.java
index 7f3ff06ce88..bdd89abfa4c 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/billing/BillingApiHandlerV2.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/billing/BillingApiHandlerV2.java
@@ -413,7 +413,7 @@ public class BillingApiHandlerV2 extends RestApiRequestHandler<BillingApiHandler
         if (response.isSuccess()) {
             return new MessageResponse("Plan: " + planId.value());
         } else {
-            throw new RestApiException.BadRequest("Could not change plan: " + response.getErrorMessage());
+            throw new RestApiException.BadRequest("Could not change plan: " + response.getErrorMessage().get());
         }
     }