diff --git a/webadmin/src/js/client.js b/webadmin/src/js/client.js
index 3ff51469d..231a4c571 100644
--- a/webadmin/src/js/client.js
+++ b/webadmin/src/js/client.js
@@ -471,8 +471,8 @@ angular.module('Application').service('Client', ['$http', 'md5', 'Notification',
         };
     };
 
-    Client.prototype.sendInvite = function (username, callback) {
-        $http.post(client.apiOrigin + '/api/v1/users/' + username + '/invite', {}).success(function (data, status) {
+    Client.prototype.sendInvite = function (user, callback) {
+        $http.post(client.apiOrigin + '/api/v1/users/' + user.id + '/invite', {}).success(function (data, status) {
             if (status !== 200) return callback(new ClientError(status, data));
             callback(null, data.resetToken);
         }).error(defaultErrorHandler(callback));
diff --git a/webadmin/src/views/users.js b/webadmin/src/views/users.js
index cfe16a196..9c377bd0a 100644
--- a/webadmin/src/views/users.js
+++ b/webadmin/src/views/users.js
@@ -161,7 +161,7 @@ angular.module('Application').controller('UsersController', ['$scope', '$locatio
         $scope.inviteSent.email = user.email;
         $scope.inviteSent.setupLink = '';
 
-        Client.sendInvite(user.username, function (error, resetToken) {
+        Client.sendInvite(user, function (error, resetToken) {
             if (error) return console.error(error);
 
             // Client.notify('', 'Invitation was successfully sent to ' + user.email + '.', false, 'success');