diff --git a/nixos/hosts/nixos-rpi4-01/default.nix b/nixos/hosts/nixos-rpi4-01/default.nix
index 8a6aa977..49ac4d3e 100644
--- a/nixos/hosts/nixos-rpi4-01/default.nix
+++ b/nixos/hosts/nixos-rpi4-01/default.nix
@@ -42,6 +42,7 @@
   };
   services.tailscale.authKeyFile = "/run/secrets/nixos-rpi4-01_tailscale_key";
   services.tailscale.extraUpFlags = [ "--advertise-exit-node" ];
+  boot.kernel.sysctl = { "net.ipv4.ip_forward = 1" };
   
   # Temporary
   networking.firewall.allowedTCPPorts = [ 22 ];