diff --git a/package.json b/package.json
index aa673d72..253b4a3a 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "debug": "^2.6.8",
     "detect-node": "^2.0.3",
     "ecurve": "^1.0.5",
-    "isomorphic-fetch": "^2.2.1",
+    "fetch-ponyfill": "^4.1.0",
     "lodash": "^4.16.4",
     "postinstall-build": "^5.0.1",
     "secure-random": "^1.1.1",
diff --git a/src/api/transports/http.js b/src/api/transports/http.js
index 9ae0fd5f..835f4b70 100644
--- a/src/api/transports/http.js
+++ b/src/api/transports/http.js
@@ -1,8 +1,9 @@
-import fetch from 'isomorphic-fetch';
+import fetchPonyfill from 'fetch-ponyfill';
+import Promise from 'bluebird';
 import newDebug from 'debug';
-
 import Transport from './base';
 
+const { fetch } = fetchPonyfill(Promise);
 const debug = newDebug('steem:http');
 
 export default class HttpTransport extends Transport {