DPS – Add post type class to posts

/**
 * Display Posts Shortcode, add post type class 
 *
 */
function be_dps_post_type_class( $classes ) {
  $classes[] = get_post_type();
  return $classes;
}
add_filter( 'display_posts_shortcode_post_class', 'be_dps_post_type_class' );