The shipment calculation not works correctly in cart view

[manch]

The shipment calculation not works correctly if i put a product in to cart and in the summary cart page i change the quantity of product from 1 for example to 10.
After i click the refresh icon the shipment cost change to 0!

vm198M ,joomla171
http://pilisprint.feketegyuri.hu/index.php/vasarlas/vasarlasi-adatok-modositasa

Thanks any help!
Manch

[alatak]

Hi,

I could not test on your web site, but i will have a look at your problem.