diff --git a/app.js b/app.js
index ebc3b7826..6ed9fba9c 100644
--- a/app.js
+++ b/app.js
@@ -12,6 +12,26 @@ app.start = function(port, callback) {
   app.set('port', port);
   app.use(express.static(__dirname));
 
+  if (process.env.USE_HTTPS) {
+    process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0';
+    var fs = require('fs');
+    var path = require('path');
+    var bc = path.dirname(require.resolve('bitcore/package.json'));
+    var server = require('https').createServer({
+      key: fs.readFileSync(bc + '/test/data/x509.key'),
+      cert: fs.readFileSync(bc + '/test/data/x509.crt')
+    });
+    var pserver = require(bc + '/examples/PayPro/server.js');
+    server.on('request', function(req, res) {
+      app(req, res);
+      pserver.app(res, res);
+    });
+    app.listen(port, function() {
+      callback('https://localhost:' + port);
+    });
+    return;
+  }
+
   app.listen(port, function() {
     callback('http://localhost:' + port);
   });
diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index f1e2cca95..21ac51a15 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -84,6 +84,12 @@ var $http = G.$http || function $http(options, callback) {
     // Newer browsers:
     xhr.responseType = 'arraybuffer';
 
+    xhr.onreadystatechange = function() {
+      if (xhr.readyState == 4) {
+        ;
+      }
+    };
+
     xhr.onload = function(event) {
       var response = xhr.response;
       var buf = new Uint8Array(response);