diff --git a/index.html b/index.html
index b5189afe5..0a5fb4adb 100644
--- a/index.html
+++ b/index.html
@@ -669,7 +669,7 @@
             </a>
           </div>
           <div class="large-6 medium-6 columns">
-            <a class="panel radius box-backup" ng-click="email()">
+            <a class="panel radius box-backup" ng-click="openModal()">
               <i class="fi-mail size-72"></i>
               <p> Backup to email </p>
             </a>
@@ -678,6 +678,15 @@
       </div>
     </script>
 
+    <script type="text/ng-template" id="backupModal.html">
+      <h3>Insert your email</h3>
+      <form name="emailForm" ng-submit="submit(emailForm)">
+        <p><input type="email" ng-model="$parent.email" placeholder="your@email.com" required/></p>
+        <input type="submit" class="button" value="Send" ng-disabled="emailForm.$invalid"/>
+      </form>
+      <a class="close-reveal-modal" ng-click="cancel()">&#215;</a>
+    </script>
+
     <!-- CONFIG -->
     <script type="text/ng-template" id="settings.html">
       <div class="settings" ng-controller="SettingsController">
diff --git a/js/controllers/backup.js b/js/controllers/backup.js
index df0bd5219..e2605153a 100644
--- a/js/controllers/backup.js
+++ b/js/controllers/backup.js
@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('copay.backup').controller('BackupController',
-  function($scope, $rootScope, $location, $window, $timeout) {
+  function($scope, $rootScope, $location, $window, $timeout, $modal) {
     $scope.title = 'Backup';
 
     var _getEncryptedWallet = function() {
@@ -18,29 +18,40 @@ angular.module('copay.backup').controller('BackupController',
       saveAs(blob, filename);
     };
 
-    $scope.email = function() {
-      var email = prompt('Please enter your email addres.');
-      var mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
 
-      if (email && email !== '') {
-        if (!email.match(mailformat)) {
-          alert('Enter a valid email address');
-        } else {
-          var body = _getEncryptedWallet();
-          var subject = ($rootScope.wallet.name ? $rootScope.wallet.name + ' - ' : '') + $rootScope.wallet.id; 
-          var href = 'mailto:' + email + '?'
-           + 'subject=[Copay Backup] ' + subject + '&'
-           + 'body=' + body;
+  $scope.openModal = function () {
+    var modalInstance = $modal.open({
+      templateUrl: 'backupModal.html',
+      controller: ModalInstanceCtrl,
+    });
 
-          var newWin = $window.open(href, '_blank', 'scrollbars=yes,resizable=yes,width=10,height=10');
+    modalInstance.result.then(sendEmail);
+  };
 
-          if (newWin) {
-            $timeout(function() {
-              newWin.close();
-            }, 1000);
-          }
-        }
-      }
-    };
-  
-  });
+  var sendEmail = function(email) {
+    var body = _getEncryptedWallet();
+    var subject = ($rootScope.wallet.name ? $rootScope.wallet.name + ' - ' : '') + $rootScope.wallet.id;
+    var href = 'mailto:' + email + '?'
+     + 'subject=[Copay Backup] ' + subject + '&'
+     + 'body=' + body;
+
+    var newWin = $window.open(href, '_blank', 'scrollbars=yes,resizable=yes,width=10,height=10');
+
+    if (newWin) {
+      $timeout(function() {
+        newWin.close();
+      }, 1000);
+    }
+  };
+});
+
+var ModalInstanceCtrl = function ($scope, $modalInstance) {
+
+  $scope.submit = function (form) {
+    $modalInstance.close($scope.email);
+  };
+
+  $scope.cancel = function () {
+    $modalInstance.dismiss('cancel');
+  };
+};