```php
<?php include Kohana::find_file('views', $is_admin ? 'admin.tpl' : 'default.tpl'); ?>
```

instead

```php
<?php if ($is_admin): ?>
	<?php include Kohana::find_file('views', 'admin.tpl'); ?>
<?php else:?>
	<?php include Kohana::find_file('views', 'default.tpl'); ?>
<?php endif;?>
```