diff --git a/d-i-preseed-cfgs/debian_sid_hurd_lxde_preseed.cfg b/d-i-preseed-cfgs/debian_sid_hurd_lxde_preseed.cfg
index f5e9eee7f1f5174fcb7445209b7cc6464dc1749f..81e00572502929b4a3724683ba69a3d8186972ab 100644
--- a/d-i-preseed-cfgs/debian_sid_hurd_lxde_preseed.cfg
+++ b/d-i-preseed-cfgs/debian_sid_hurd_lxde_preseed.cfg
@@ -83,7 +83,7 @@ d-i netcfg/wireless_wep string
 #d-i mirror/protocol string ftp
 d-i mirror/country string manual
 d-i mirror/http/hostname string deb.debian.org
-d-i mirror/http/directory string /debian-ports
+d-i mirror/http/directory string /debian-ports/
 d-i mirror/http/proxy string http://10.0.2.1:3128/
 
 # Suite to install.