Mine

function order_query($vars) {
	global $wp;
if (!empty($wp->query) && (!isset($vars['feed'])) && !$wp->is_admin) {
	$vars['order_by'] = 'title';
	$vars['order'] = 'asc';
	$vars['posts_per_page'] = '-1';
	

}

 return $vars;
 }
 
 add_filter('query_vars', 'order_query',1);