The city's main gate was reconstructed in the early 17th century, but the next major alterations were not made until the 1650s, when the large De Redin Bastion was built at the centre of the land front.
Gerbang utama kota dibangun ulang pada awal abad 17, namun perubahan besar lainnya tidak dilakukan setidaknya hingga 1650, saat De Redin Bastion dibangun di tengah bagian depan.