diff --git a/lib/ofac/update.js b/lib/ofac/update.js
index 8630cdf6..66f7dd25 100644
--- a/lib/ofac/update.js
+++ b/lib/ofac/update.js
@@ -1,6 +1,6 @@
 const parser = require('./parsing')
 const https = require('https')
-const url = require('url')
+const URL = require('url')
 const fs = require('fs')
 const path = require('path')
 const util = require('util')
@@ -40,10 +40,9 @@ const remove = file => {
   return unlink(file)
 }
 
-const promiseGetEtag = (source) => {
+const promiseGetEtag = ({ url }) => {
   return new Promise((resolve, reject) => {
-    const {url: sourceUrl} = source
-    const parsed = url.parse(sourceUrl)
+    const parsed = URL.parse(url)
     const requestOptions = {
       hostname: parsed.hostname,
       path: parsed.path,