Woocommerce - Show price suffix just on single product template but not on RELATED PRODUCTS section

functions.php

<?php
// Show price suffix just on single product template but not on related products section
add_filter( 'woocommerce_get_price_html', 'custom_price_suffix', 10, 2 );
function custom_price_suffix( $price, $product ) {
	global $woocommerce_loop;
    if(is_product() && ($woocommerce_loop['name'] != 'related')) {
        $price = $price . ' <span class="leoshop-price-suffix"> Preis inkl. MwSt. & exkl. Versand</span>';
    }
	return $price;
}