diff --git a/src/issuer/SsiCredentialIssuer.Service/Controllers/IssuerController.cs b/src/issuer/SsiCredentialIssuer.Service/Controllers/IssuerController.cs
index 49caa9fa..8c3127ce 100644
--- a/src/issuer/SsiCredentialIssuer.Service/Controllers/IssuerController.cs
+++ b/src/issuer/SsiCredentialIssuer.Service/Controllers/IssuerController.cs
@@ -104,7 +104,7 @@ public static RouteGroupBuilder MapIssuerApi(this RouteGroupBuilder group)
                 r.AddRequirements(new MandatoryIdentityClaimRequirement(PolicyTypeId.ValidBpn));
             })
             .WithDefaultResponses()
-            .Produces(StatusCodes.Status200OK, typeof(IEnumerable<CredentialDetailData>), Constants.JsonContentType);
+            .Produces(StatusCodes.Status200OK, typeof(IEnumerable<OwnedVerifiedCredentialData>), Constants.JsonContentType);
 
         issuer.MapPost("bpn", ([FromBody] CreateBpnCredentialRequest requestData, CancellationToken cancellationToken, IIssuerBusinessLogic logic) => logic.CreateBpnCredential(requestData, cancellationToken))
             .WithSwaggerDescription("Creates a bpn credential for the given data",