diff --git a/lib/buster-preseed.cfg b/lib/buster-preseed.cfg
index 0236a9b..7f0aaab 100644
--- a/lib/buster-preseed.cfg
+++ b/lib/buster-preseed.cfg
@@ -100,10 +100,10 @@ d-i netcfg/wireless_wep string
 ### Mirror settings
 # If you select ftp, the mirror/country string does not need to be set.
 #d-i mirror/protocol string ftp
-#RCNEE: disable these defaults so users can specify them
-#d-i mirror/country string manual
-#d-i mirror/http/hostname string http.us.debian.org
-#d-i mirror/http/directory string /debian
+#RCNEE: use deb.debian.org by default, but leave proxy disabled
+d-i mirror/country string manual
+d-i mirror/http/hostname string deb.debian.org
+d-i mirror/http/directory string /debian
 #d-i mirror/http/proxy string
 #RCNEE: ^
 
diff --git a/lib/stretch-preseed.cfg b/lib/stretch-preseed.cfg
index 1c8438e..1076081 100644
--- a/lib/stretch-preseed.cfg
+++ b/lib/stretch-preseed.cfg
@@ -100,10 +100,10 @@ d-i netcfg/wireless_wep string
 ### Mirror settings
 # If you select ftp, the mirror/country string does not need to be set.
 #d-i mirror/protocol string ftp
-#RCNEE: disable these defaults so users can specify them
-#d-i mirror/country string manual
-#d-i mirror/http/hostname string http.us.debian.org
-#d-i mirror/http/directory string /debian
+#RCNEE: use deb.debian.org by default, but leave proxy disabled
+d-i mirror/country string manual
+d-i mirror/http/hostname string deb.debian.org
+d-i mirror/http/directory string /debian
 #d-i mirror/http/proxy string
 #RCNEE: ^