diff --git a/machines/valkyrie/kea/default.nix b/machines/valkyrie/kea/default.nix
index b3961fa..ac27357 100644
--- a/machines/valkyrie/kea/default.nix
+++ b/machines/valkyrie/kea/default.nix
@@ -63,6 +63,7 @@
 
           subnet4 = [
             {
+              id = 1;
               pools = [ { pool = "10.0.0.150 - 10.0.0.200"; } ];
               subnet = "10.0.0.0/24";
               option-data = [