diff --git a/nixos/hosts/wheatley/configuration.nix b/nixos/hosts/wheatley/configuration.nix
index ee431bb..86ebdf2 100644
--- a/nixos/hosts/wheatley/configuration.nix
+++ b/nixos/hosts/wheatley/configuration.nix
@@ -237,6 +237,11 @@
     };
   };
 
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_forward" = 1;
+    "net.ipv6.conf.all.forwarding" = 1;
+  };
+
   # enable NAT
   networking.nat.enable = true;
   networking.nat.externalInterface = "end0";