diff --git a/hosts/hainich/configuration.nix b/hosts/hainich/configuration.nix
index aedeefa..96ffd40 100644
--- a/hosts/hainich/configuration.nix
+++ b/hosts/hainich/configuration.nix
@@ -53,6 +53,7 @@
 
   hacc.nftables.nat.enable = true;
   networking.nat.internalInterfaces = ["ve-+"];
+  networking.nat.internalIPs = [ "192.168.100.0/24" "172.17.0.0/16" ];
   networking.nat.externalInterface = "enp6s0";