diff --git a/internal/api/token_oidc.go b/internal/api/token_oidc.go
index f94a677888..b5767427ec 100644
--- a/internal/api/token_oidc.go
+++ b/internal/api/token_oidc.go
@@ -242,6 +242,8 @@ func (a *API) IdTokenGrant(ctx context.Context, w http.ResponseWriter, r *http.R
 		switch err.(type) {
 		case *storage.CommitWithError:
 			return err
+		case *HTTPError:
+			return err
 		default:
 			return oauthError("server_error", "Internal Server Error").WithInternalError(err)
 		}