Index: /model/wpsg_product.class.php
===================================================================
--- /model/wpsg_product.class.php	(revision 8311)
+++ /model/wpsg_product.class.php	(revision 8312)
@@ -761,9 +761,20 @@
 			$lowestShippingCosts = array();
 			foreach ($shippingCosts as $vz => $costs) {
-				if (!in_array(0, $costs)) {
-					$lowestShippingCosts[$vz] = min($costs);
-				} else {
-					$lowestShippingCosts[$vz] = 0;
-				}
+
+
+				if (!in_array(0, $costs)) $lowestShippingCosts[$vz] = min($costs);
+				else { // Versandkosten 0 werden nicht beachtet
+
+					$nonZeroCosts = [];
+					foreach ($costs as $cost) {
+
+						if ($cost != '0') $nonZeroCosts[] = $cost;
+
+					}
+					$lowestShippingCosts[$vz] = min($nonZeroCosts);
+
+				}
+
+				
 			}