diff --git a/baldur/configuration.nix b/baldur/configuration.nix
index ddaf992..292e614 100644
--- a/baldur/configuration.nix
+++ b/baldur/configuration.nix
@@ -40,7 +40,7 @@
     avahi = {
       enable = true;
       openFirewall = true;
-      interfaces = [ "ztmjfdwjkp" ];
+      allowInterfaces = [ "ztmjfdwjkp" ];
       nssmdns = true;
       publish = {
         enable = true;