diff --git a/client.js b/client.js
index 8545ea7..69a7bcc 100644
--- a/client.js
+++ b/client.js
@@ -116,7 +116,9 @@ var Tunnel = function(opt) {
 
     var self = this;
     self._closed = false;
-    self._opt = opt;
+    self._opt = opt || {};
+
+    self._opt.host = self._opt.host || 'https://localtunnel.me';
 };
 
 Tunnel.prototype.__proto__ = EventEmitter.prototype;
diff --git a/test/index.js b/test/index.js
index e1a3d7e..cc36dbe 100644
--- a/test/index.js
+++ b/test/index.js
@@ -22,7 +22,6 @@ test('setup local http server', function(done) {
 
 test('setup localtunnel client', function(done) {
     var client = localtunnel.connect({
-        host: 'https://localtunnel.me',
         port: test._fake_port
     });
 
@@ -69,7 +68,6 @@ test('query localtunnel server w/ ident', function(done) {
 
 test('request specific domain', function(done) {
     var client = localtunnel.connect({
-        host: 'https://localtunnel.me',
         port: test._fake_port,
         subdomain: 'abcd'
     });