Order downloads alphabetically on category pages in Easy Digital Downloads

gistfile1.php

<?php

function sumobi_edd_order_category_downloads( $query ) {
	if ( is_admin() || ! $query->is_main_query() )
		return;

	if( $query->is_tax( 'download_category' ) ) {
		$query->set( 'orderby', 'title' );
		$query->set( 'order', 'ASC' );
	}

	return;
}
add_action( 'pre_get_posts', 'sumobi_edd_order_category_downloads' );