diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index edc2676..58b3e00 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -283,7 +283,11 @@ in
         "/fonts.googleapis.com/142.250.207.74"
       ];
 
-      dhcp-boot = "ipxe.efi";
+      dhcp-match = "set:ipxe,175"; # https://forum.ipxe.org/showthread.php?tid=6077
+      dhcp-boot = [
+        "tag:!ipxe,ipxe.efi"
+        "tag:ipxe,http://perso.m-labs.hk/sb/netboot/netboot.ipxe"
+      ];
       enable-tftp = netifLan;
       tftp-root = "${pkgs.ipxe}";
     };