diff --git a/nixos/desktop/default.nix b/nixos/desktop/default.nix
index eec7786..db37969 100644
--- a/nixos/desktop/default.nix
+++ b/nixos/desktop/default.nix
@@ -171,7 +171,7 @@
   };
 
   services.avahi = {
-    nssmdns = true;
+    nssmdns4 = true;
     enable = true;
     ipv4 = true;
     ipv6 = true;
diff --git a/nixos/hosts/shodan/configuration.nix b/nixos/hosts/shodan/configuration.nix
index d6c4998..7e693da 100644
--- a/nixos/hosts/shodan/configuration.nix
+++ b/nixos/hosts/shodan/configuration.nix
@@ -125,7 +125,7 @@
   programs.kdeconnect.enable = true;
 
   services.avahi = {
-    nssmdns = true;
+    nssmdns4 = true;
     enable = true;
     ipv4 = true;
     ipv6 = true;