diff --git a/lib/modules/ens/embarkjs.js b/lib/modules/ens/embarkjs.js
index c0fec86d6..171fccc76 100644
--- a/lib/modules/ens/embarkjs.js
+++ b/lib/modules/ens/embarkjs.js
@@ -3,7 +3,7 @@ const namehash = require('eth-ens-namehash');
 let __embarkENS = {};
 
 // registry interface for later
-var registryInterface = [
+__embarkENS.registryInterface = [
   {
     "constant": true,
     "inputs": [
@@ -92,7 +92,7 @@ var registryInterface = [
   }
 ];
 
-var resolverInterface = [
+__embarkENS.resolverInterface = [
   {
     "constant": true,
     "inputs": [
@@ -241,7 +241,7 @@ var resolverInterface = [
   }
 ];
 
-var registryAddresses = {
+__embarkENS.registryAddresses = {
   // Mainnet
   "1": "0x314159265dd8dbb310642f98f50c066173c1259b",
   // Ropsten
@@ -251,12 +251,10 @@ var registryAddresses = {
 };
 
 __embarkENS.setProvider = function () {
-  const self = this;
-
   // get network id and then assign ENS contract based on that 
-  self.ens = web3.eth.net.getId().then(id => {
+  this.ens = web3.eth.net.getId().then(id => {
     if (registryAddresses[id] !== undefined) {
-      return new web3.eth.Contract(registryInterface, registryAddresses[id]);
+      return new web3.eth.Contract(this.registryInterface, this.registryAddresses[id]);
     }
     // todo: deploy at this point
     return undefined;
@@ -271,7 +269,7 @@ __embarkENS.resolve = function(name) {
   let node = namehash(name);
   
   self.ens.methods.resolver(node).call().then((resolverAddress) => {
-    let resolverContract = new web3.eth.Contract(resolverInterface, resolverAddress);
+    let resolverContract = new web3.eth.Contract(self.resolverInterface, resolverAddress);
     return resolverContract.methods.addr(node).call();
   }).then((addr) => {
     return addr;
@@ -288,7 +286,7 @@ __embarkENS.lookup = function(address) {
   let node = namehash(address.toLowerCase() + ".addr.reverse");
 
   self.ens.methods.resolver(node).call().then((resolverAddress) => {
-    let resolverContract = new web3.eth.Contract(resolverInterface, resolverAddress);
+    let resolverContract = new web3.eth.Contract(self.resolverInterface, resolverAddress);
     return resolverContract.methods.name(node).call();
   }).then((name) => {
     if (name === "" || name === undefined) throw Error("ENS name not found");