diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..efb0983
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "8"
diff --git a/lib/ntlm.js b/lib/ntlm.js
index 4d2863b..da005e8 100755
--- a/lib/ntlm.js
+++ b/lib/ntlm.js
@@ -226,7 +226,8 @@ exports.challengeHeader = function (hostname, domain) {
 };
 
 exports.responseHeader = function (res, url, domain, username, password) {
-  var serverNonce = new Buffer((res.headers['www-authenticate'].match(/^NTLM\s+(.+?)(,|\s+|$)/) || [])[1], 'base64');
+  var authHeader = (typeof res.headers.get === 'function') ? res.headers.get('www-authenticate') : res.headers['www-authenticate'];
+  var serverNonce = new Buffer((authHeader.match(/^NTLM\s+(.+?)(,|\s+|$)/) || [])[1], 'base64');
   var hostname = require('url').parse(url).hostname;
   return 'NTLM ' + exports.encodeType3(username, hostname, domain, exports.decodeType2(serverNonce), password).toString('base64')
 };
diff --git a/package.json b/package.json
index af547dd..028eb42 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ntlm",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "devDependencies": {
     "nodeunit": "*"
   },
@@ -18,5 +18,8 @@
   ],
   "main": "lib/ntlm.js",
   "description": "NTLM authentication and Samba LM/NT hash library",
-  "homepage": "https://github.com/tcr/node-ntlm"
+  "homepage": "https://github.com/tcr/node-ntlm",
+  "scripts": {
+    "test": "node ./run_tests.js"
+  }
 }