diff --git a/nixos/hosts/osaka-vultr-01/default.nix b/nixos/hosts/osaka-vultr-01/default.nix
index 28eca6c9..a9359fb7 100644
--- a/nixos/hosts/osaka-vultr-01/default.nix
+++ b/nixos/hosts/osaka-vultr-01/default.nix
@@ -49,13 +49,13 @@
         postSetup    = ''
           ${pkgs.iptables}/bin/iptables -A FORWARD -i %i -j ACCEPT
           ${pkgs.iptables}/bin/iptables -A FORWARD -o %i -j ACCEPT
-          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -d 10.100.0.2 --dport 80 -j MASQUERADE
+          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -d 10.100.0.2 -o eno3 -p tcp -m tcp --dport 80 -j MASQUERADE
           ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eno3 -j MASQUERADE
           '';
         postShutdown = ''
           ${pkgs.iptables}/bin/iptables -D FORWARD -i %i -j ACCEPT
           ${pkgs.iptables}/bin/iptables -D FORWARD -o %i -j ACCEPT
-          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -d 10.100.0.2 --dport 80 -j MASQUERADE
+          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -d 10.100.0.2 -o eno3 -p tcp -m tcp --dport 80 -j MASQUERADE
           ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o eno3 -j MASQUERADE
           '';
         # Testing