diff --git a/src/fetcher/dns.js b/src/fetcher/dns.js
index be9fa6d..02ba90c 100644
--- a/src/fetcher/dns.js
+++ b/src/fetcher/dns.js
@@ -25,7 +25,7 @@ const jsEnv = require("browser-or-node")
  */
 module.exports.timeout = 5000
 
-if (!jsEnv.isNode) {
+if (jsEnv.isNode) {
   const dns = require('dns')
 
   /**