diff --git a/nixos/hosts/osaka-vultr-01/default.nix b/nixos/hosts/osaka-vultr-01/default.nix
index 31c0dc39..28eca6c9 100644
--- a/nixos/hosts/osaka-vultr-01/default.nix
+++ b/nixos/hosts/osaka-vultr-01/default.nix
@@ -75,6 +75,7 @@
     enable = true;
     externalInterface = "eno3";
     internalInterfaces =  [ "wireguard0" ];
+    internalIPs = [ "10.100.0.0/24" ];
     forwardPorts = [
       {
         sourcePort = 80;