admin_menu action hook not running

Having some problems creating a submenu for my admin page. The registered hook for admin_menu doesn’t run.

Code looks like this.

add_action('admin_menu', 'fbaf_register_settings_page');

function fbaf_register_settings_page(){
   add_options_page(
        'Facebook Album Fetcher Settings',
        'Facebook Album Fetcher',
        'manage_sites',
        'fbaf-settings',
        'fbaf_create_settings_page'
        );
}

If i hook it in to ‘init’ the action runs. But then the ‘add_option_page’ function doesn’t exist in the code.