Creating a Different Header for Single Post Page

Hi Everyone,

I would like to create a different header for my single post page, the page that displays an actual post, however, I want the same header for all other pages.

My website is https://www.aimeemars.com

Here is what I’ve tried: I’ve copied my header.php file and renamed it to header-single.php and then uploaded it to my ftp. Then in my single.php file I replaced

<?php get_header(); ?> with <?php get_header('header-single'); ?>

and it’s not pulling the new header. Is there another way to do this and am I doing this incorrectly?

Thanks for any help!!

Aimee