diff --git a/pkgs/pxescript/default.nix b/pkgs/pxescript/default.nix
index 61e2f7b..140031d 100644
--- a/pkgs/pxescript/default.nix
+++ b/pkgs/pxescript/default.nix
@@ -15,6 +15,7 @@ runCommand "netboot" {
     initrd initrd
     boot
   '';
+  preferLocalBuild = true;
 } ''
   mkdir stage
   cd stage