diff --git a/zones/sea.fudo.org.nix b/zones/sea.fudo.org.nix
index 5144f3d..6b2db6e 100644
--- a/zones/sea.fudo.org.nix
+++ b/zones/sea.fudo.org.nix
@@ -132,7 +132,7 @@ in {
     };
     spark = {
       ipv4-address = "10.0.0.108";
-      mac-address = "02:9c:b7:b6:ad:c4";
+      mac-address = "02:47:A7:B2:B4:8D";
     };
     hyperion = {
       ipv4-address = "10.0.0.109";