diff --git a/lib/get-certificate.js b/lib/get-certificate.js
index 3dc4c9b..813ae7e 100644
--- a/lib/get-certificate.js
+++ b/lib/get-certificate.js
@@ -15,8 +15,10 @@ var Acme = require('./acme-client');
 
 function getCert(options, cb) {
   var state={
-    validatedDomains:[],
-    validAuthorizationUrls:[]
+    validatedDomains:[]
+  , validAuthorizationUrls:[]
+  , newAuthorizationUrl: options.newAuthorizationUrl || options.newAuthz
+  , newCertificateUrl: options.newCertificateUrl || options.newCert
   };
 
   if (!options.accountPrivateKeyPem) {