diff --git a/hosts/bigding/configuration.nix b/hosts/bigding/configuration.nix
index 51be9e2..02465fd 100644
--- a/hosts/bigding/configuration.nix
+++ b/hosts/bigding/configuration.nix
@@ -31,7 +31,6 @@
         allowedUDPPorts = [41641];
       };
     };
-    firewall.trustedInterfaces = ["tailscale0"];
   };
 
   services.syncthing = {
diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index 10f1685..93fefa3 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -73,6 +73,8 @@ in {
     EDITOR = "hx";
   };
 
+  networking.firewall.trustedInterfaces = ["tailscale0"];
+
   programs.zsh.enable = true;
 
   services = {