diff --git a/lib/acme-client.js b/lib/acme-client.js
index b261d41..6e64617 100644
--- a/lib/acme-client.js
+++ b/lib/acme-client.js
@@ -69,7 +69,7 @@ Acme.prototype.post=function(url, body, cb) {
     var parsed;
 
     if (err) {
-      console.error(err);
+      console.error(err.stack);
       return cb(err);
     }
     if (res) {
diff --git a/lib/get-certificate.js b/lib/get-certificate.js
index ae4e185..fad173d 100644
--- a/lib/get-certificate.js
+++ b/lib/get-certificate.js
@@ -60,7 +60,7 @@ function getCert(options, cb) {
   function getChallenges(domain) {
     state.domain=domain;
 
-    state.acme.post(state.newAuthorizationURL, {
+    state.acme.post(state.newAuthorizationUrl, {
       resource:'new-authz',
       identifier:{
         type:'dns',
@@ -72,8 +72,12 @@ function getCert(options, cb) {
   function getReadyToValidate(err, res, body) {
     var links, authz, httpChallenges, challenge, thumbprint, keyAuthorization, challengePath;
 
-    if (err || Math.floor(res.statusCode/100)!==2) {
-      return handleErr(err, 'Authorization request failed ('+res.statusCode+')');
+    if (err) {
+      return handleErr(err);
+    }
+
+    if (Math.floor(res.statusCode/100)!==2) {
+      return handleErr(null, 'Authorization request failed ('+res.statusCode+')');
     }
 
     links=Acme.parseLink(res.headers.link);
diff --git a/lib/register-new-account.js b/lib/register-new-account.js
index e35792d..79276a0 100644
--- a/lib/register-new-account.js
+++ b/lib/register-new-account.js
@@ -56,8 +56,9 @@ function registerNewAccount(options, cb) {
       return handleErr(err, 'Server didn\'t provide information to proceed (1)');
     }
 
-    state.registrationURL=res.headers.location;
-    state.newAuthorizationURL=links.next;
+    state.registrationUrl=res.headers.location;
+    // TODO should we pass this along?
+    //state.newAuthorizationUrl=links.next;
     state.termsRequired=('terms-of-service' in links);
 
     if (state.termsRequired) {
@@ -93,9 +94,9 @@ function registerNewAccount(options, cb) {
       return handleErr(null, 'The CA requires your agreement to terms: '+state.termsURL);
     }
 
-    log('Posting agreement to: '+state.registrationURL);
+    log('Posting agreement to: '+state.registrationUrl);
 
-    state.acme.post(state.registrationURL, {
+    state.acme.post(state.registrationUrl, {
       resource:'reg',
       agreement:state.termsURL
     }, function(err, res, body) {