function wc_change_get_terms_defaults( $defaults, $taxonomies ) {
	if ( is_array( $taxonomies ) && 1 < count( $taxonomies ) ) {
		return $defaults;
	}
	$taxonomy = is_array( $taxonomies ) ? (string) current( $taxonomies ) : $taxonomies;
	$orderby  = 'name';

	if ( taxonomy_is_product_attribute( $taxonomy ) ) {
		$orderby = wc_attribute_orderby( $taxonomy );
	} elseif ( in_array( $taxonomy, apply_filters( 'woocommerce_sortable_taxonomies', array( 'product_cat' ) ), true ) ) {
		$orderby = 'menu_order';
	}

	// Change defaults. Invalid values will be changed later @see wc_change_pre_get_terms.
	// These are in place so we know if a specific order was requested.
	switch ( $orderby ) {
		case 'menu_order':
		case 'name_num':
		case 'parent':
			$defaults['orderby'] = $orderby;
			break;
	}

	return $defaults;
}