diff --git a/packages/siop-oid4vp/lib/authorization-request/AuthorizationRequest.ts b/packages/siop-oid4vp/lib/authorization-request/AuthorizationRequest.ts
index 552a3667..2a1fe875 100644
--- a/packages/siop-oid4vp/lib/authorization-request/AuthorizationRequest.ts
+++ b/packages/siop-oid4vp/lib/authorization-request/AuthorizationRequest.ts
@@ -123,7 +123,7 @@ export class AuthorizationRequest {
     if (parsedJwt) {
       requestObjectPayload = parsedJwt.payload as RequestObjectPayload
 
-      const jwtVerifier = await getRequestObjectJwtVerifier({ ...parsedJwt, payload: requestObjectPayload }, { type: 'request-object', raw: jwt })
+      const jwtVerifier = await getRequestObjectJwtVerifier({ ...parsedJwt, payload: requestObjectPayload }, { raw: jwt })
       const result = await opts.verifyJwtCallback(jwtVerifier, { ...parsedJwt, raw: jwt })
       if (!result) {
         throw Error(SIOPErrors.ERROR_VERIFYING_SIGNATURE)
diff --git a/packages/siop-oid4vp/lib/types/JwtVerifier.ts b/packages/siop-oid4vp/lib/types/JwtVerifier.ts
index d1ca0c53..c0d7e2b2 100644
--- a/packages/siop-oid4vp/lib/types/JwtVerifier.ts
+++ b/packages/siop-oid4vp/lib/types/JwtVerifier.ts
@@ -158,7 +158,7 @@ export const getRequestObjectJwtVerifier = async (
   } else if (clientIdScheme === 'verifier_attestation') {
     const verifierAttestationSubtype = 'verifier-attestation+jwt'
     if (!jwt.header.jwt) {
-      throw new Error(SIOPErrors.MISSING_ATTESTATION_JWT)
+      throw new Error(SIOPErrors.MISSING_ATTESTATION_JWT_WITH_CLIENT_ID_SCHEME_ATTESTATION)
     }
     // TODO: is this correct? not 100% sure based on the spec
     if (jwt.header.typ !== verifierAttestationSubtype) {