diff --git a/nixos/router/default.nix b/nixos/router/default.nix
index 339e327..3c0e9ac 100644
--- a/nixos/router/default.nix
+++ b/nixos/router/default.nix
@@ -353,7 +353,7 @@ in {
   services.avahi = {
     enable = true;
     reflector = true;
-    interfaces = [
+    allowInterfaces = [
       lan_if
     ];
   };