diff --git a/src/core/runtime/dns-browser.js b/src/core/runtime/dns-browser.js
index 9ca358d95b..26cf106ee0 100644
--- a/src/core/runtime/dns-browser.js
+++ b/src/core/runtime/dns-browser.js
@@ -1,16 +1,14 @@
 'use strict'
 
-const dns = require('dns')
-
 module.exports = (domain, opts, callback) => {
   domain = encodeURIComponent(domain)
-  const url = `https://ipfs.io/api/v0/dns?arg=${domain}`
+  let url = `https://ipfs.io/api/v0/dns?arg=${domain}`
 
   for (const prop in opts) {
     url += `&${prop}=${opts[prop]}`
   }
 
-  fetch(url, {mode: 'cors'})
+  window.fetch(url, {mode: 'cors'})
     .then((response) => {
       const resp = response.json()
       if (resp.Path) {
diff --git a/src/core/runtime/dns-nodejs.js b/src/core/runtime/dns-nodejs.js
index 01eb00609f..8f6bb132bd 100644
--- a/src/core/runtime/dns-nodejs.js
+++ b/src/core/runtime/dns-nodejs.js
@@ -13,7 +13,7 @@ module.exports = (domain, opts, callback) => {
     for (const record of records) {
       if (record[0].startsWith('dnslink=')) {
         return callback(null, record[0].substr(8, record[0].length - 1))
-      } 
+      }
     }
 
     callback(new Error('domain does not have a txt dnslink entry'))