Redirect Error

[eluser]pictwist[/eluser]
Please view the home controller.
This is the content

Code:

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Home extends CI_Controller {
    
    public function __construct(){
        parent::__construct();
        $this->_isLoggedIn();
    }
    
    public function _isLoggedIn(){  
        if ($this->session->userdata('isloggedIn') == TRUE);
        else redirect('home/login');
    }
    
    public function validate_credentials(){
        // TODO: Validate login
    }

    public function index()
    {
        $this->load->view('home_page');
    }
    
    public function login(){
        $this->load->view('login');
    }
}