diff --git a/ct/hyperhdr.sh b/ct/hyperhdr.sh
index c32c168a..7c04a596 100644
--- a/ct/hyperhdr.sh
+++ b/ct/hyperhdr.sh
@@ -40,6 +40,8 @@ function default_settings() {
   BRG="vmbr0"
   NET="dhcp"
   GATE=""
+  APT_CACHER=""
+  APT_CACHER_IP=""
   DISABLEIP6="no"
   MTU=""
   SD=""