is_main_query() ) { //vanilla search with no post type uses search.php and only shows posts if ( $query->is_search() && ! $query->is_post_type_archive() ) { $query->set( 'post_type', 'post' ); } } } add_action( 'pre_get_posts', 'set_posts_per_page_for_post_types' ); //uncomment this if you want to use it