diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 699fc628..851ca575 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -180,6 +180,7 @@ in
     forwarders = [];
     extraOptions = "listen-on-v6 port 5354 { ::1; };";
     cacheNetworks = [ "::1/128" ];
+    directory = "/etc/nixos/named";
     zones = {
       "m-labs.hk" = {
         name = "m-labs.hk";
diff --git a/nixbld-etc-nixos/named/m-labs.hk b/nixbld-etc-nixos/named/m-labs.hk
index 33f94efa..37c65edb 100644
--- a/nixbld-etc-nixos/named/m-labs.hk
+++ b/nixbld-etc-nixos/named/m-labs.hk
@@ -1,7 +1,7 @@
 $TTL 7200
 
 @						SOA	42-200-147-171.static.imsbiz.com. sb.m-labs.hk. (
-							2022110301
+							2022120602
 							7200
 							3600
 							86400