diff --git a/js/controllers/join.js b/js/controllers/join.js
index 425e15106..5c4f68986 100644
--- a/js/controllers/join.js
+++ b/js/controllers/join.js
@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('copayApp.controllers').controller('JoinController',
-  function($scope, $rootScope, $timeout, walletFactory, controllerUtils, Passphrase, notification) {
+  function($scope, $rootScope, $timeout, $location, walletFactory, controllerUtils, Passphrase, notification) {
     controllerUtils.redirIfLogged();
     $rootScope.fromSetup = false;
     $scope.loading = false;
@@ -15,6 +15,13 @@ angular.module('copayApp.controllers').controller('JoinController',
     var context;
     var localMediaStream;
 
+    var s = ($location.search()).enterPrivate;
+    if (s) {
+      $scope.enterPrivate = true;
+    }
+
+
+
     var _scan = function(evt) {
       if (localMediaStream) {
         context.drawImage(video, 0, 0, 300, 225);
@@ -112,7 +119,7 @@ angular.module('copayApp.controllers').controller('JoinController',
       walletFactory.network.on('badSecret', function() {});
 
       Passphrase.getBase64Async($scope.joinPassword, function(passphrase) {
-        walletFactory.joinCreateSession($scope.connectionId, $scope.nickname, passphrase, function(err, w) {
+        walletFactory.joinCreateSession($scope.connectionId, $scope.nickname, passphrase, $scope.enterPrivate ? $scope.private : 'null', function(err, w) {
           $scope.loading = false;
           if (err || !w) {
             if (err === 'joinError')
diff --git a/js/models/core/WalletFactory.js b/js/models/core/WalletFactory.js
index b937fa259..146f21e9a 100644
--- a/js/models/core/WalletFactory.js
+++ b/js/models/core/WalletFactory.js
@@ -214,16 +214,22 @@ WalletFactory.prototype.decodeSecret = function(secret) {
   }
 };
 
-WalletFactory.prototype.joinCreateSession = function(secret, nickname, passphrase, cb) {
-  var self = this;
 
+WalletFactory.prototype.joinCreateSession = function(secret, nickname, passphrase, privateHex, cb) {
+  var self = this;
   var s = self.decodeSecret(secret);
   if (!s) return cb('badSecret');
 
+  var privOpts = {
+    networkName: this.networkName,
+  };
+
+  if (privateHex && privateHex.length>10) {
+    privOpts.extendedPrivateKeyString = privateHex;
+  }
+
   //Create our PrivateK
-  var privateKey = new PrivateKey({
-    networkName: this.networkName
-  });
+  var privateKey = new PrivateKey(privOpts);
   this.log('\t### PrivateKey Initialized');
   var opts = {
     copayerId: privateKey.getId(),
diff --git a/views/join.html b/views/join.html
index 7d4492cd5..36a2e7dbc 100644
--- a/views/join.html
+++ b/views/join.html
@@ -67,6 +67,13 @@
             name="joinPasswordConfirm"
             ng-model="joinPasswordConfirm" 
             match="joinPassword" required>
+
+            <input type="text" 
+            placeholder="Private"
+            name="private"
+            ng-model="private" 
+            ng-if="enterPrivate">
+ 
             <div class="text-right">
               <a href="#!/" class="back-button text-primary m20r">&laquo; Back</a>
               <button type="submit" class="button primary m0" ng-disabled="joinForm.$invalid || loading" loading="Joining">Join</button>