diff --git a/packages/uma/config/dialog/negotiators/default.json b/packages/uma/config/dialog/negotiators/default.json
index 0f6066b..4f12243 100644
--- a/packages/uma/config/dialog/negotiators/default.json
+++ b/packages/uma/config/dialog/negotiators/default.json
@@ -9,7 +9,7 @@
       "ticketStore": { "@id": "urn:uma:default:TicketStore" },
       "registrationStore": { "@id": "urn:uma:default:ResourceRegistrationStore" },
       "negotiator": {
-        "@type": "BaseNegotiator",
+        "@type": "ContractNegotiator",
         "verifier": { "@id": "urn:uma:default:Verifier" },
         "ticketStore": { "@id": "urn:uma:default:TicketStore" },
         "ticketingStrategy": { "@id": "urn:uma:default:TicketingStrategy" },
diff --git a/packages/uma/src/util/rdf/RequestProcessing.ts b/packages/uma/src/util/rdf/RequestProcessing.ts
index c54cf4b..91a76c0 100644
--- a/packages/uma/src/util/rdf/RequestProcessing.ts
+++ b/packages/uma/src/util/rdf/RequestProcessing.ts
@@ -11,7 +11,7 @@ export function switchODRLandCSSPermission(permission: string): string {
     } else if(permission.startsWith("https://w3id.org/oac#")) {
         return permission.replace("https://w3id.org/oac#", "urn:example:css:modes:");
     } else {
-        throw new Error(`Permission ${permission} not recognized`)
+        return permission;
     }
 }