diff --git a/hosts/server7/configuration.nix b/hosts/server7/configuration.nix
index 4c2c329a..a7299f20 100644
--- a/hosts/server7/configuration.nix
+++ b/hosts/server7/configuration.nix
@@ -104,6 +104,10 @@ in {
     };
   };
 
+  boot.kernel.sysctl."net.bridge.bridge-nf-call-arptables" = 0;
+  boot.kernel.sysctl."net.bridge.bridge-nf-call-iptables" = 0;
+  boot.kernel.sysctl."net.bridge.bridge-nf-call-ip6tables" = 0;
+
   environment.systemPackages = with pkgs; [ tmux htop vim gitMinimal nixfmt ];
 
   services.collectd.extraConfig = ''