diff --git a/endpoints/appr/registry.py b/endpoints/appr/registry.py
index 970998e44..9f2a5d9fb 100644
--- a/endpoints/appr/registry.py
+++ b/endpoints/appr/registry.py
@@ -158,7 +158,8 @@ def pull(namespace, package_name, release, media_type):
   data = cnr_registry.pull(reponame, release, media_type, Package, blob_class=Blob)
   model.log_action('pull_repo', namespace, repo_name=package_name,
                    metadata={'release': release, 'mediatype': media_type})
-  return _pull(data)
+  json_format = request.args.get('format', None) == 'json'
+  return _pull(data, json_format)
 
 
 @appr_bp.route("/api/v1/packages/<string:namespace>/<string:package_name>", methods=['POST'],