node-fetch Headers not from default export

packages/node_modules/pouchdb-fetch/src/fetch.js

diff --git a/packages/node_modules/pouchdb-fetch/src/fetch.js b/packages/node_modules/pouchdb-fetch/src/fetch.js
index 1058676..9546ec5 100644
--- a/packages/node_modules/pouchdb-fetch/src/fetch.js
+++ b/packages/node_modules/pouchdb-fetch/src/fetch.js
@@ -1,6 +1,6 @@
 'use strict';
 
-import nodeFetch from 'node-fetch';
+import nodeFetch, {Headers} from 'node-fetch';
 import fetchCookie from 'fetch-cookie';
 
 var fetch = fetchCookie(nodeFetch);
@@ -11,5 +11,4 @@
   return {abort: function () {}};
 }
 
-var Headers = nodeFetch.Headers;
 export {fetch, Headers, AbortController};