diff --git a/nixos/modules/installer/netboot/netboot-minimal.nix b/nixos/modules/installer/netboot/netboot-minimal.nix
index 268357c0e41a..91065d52faf4 100644
--- a/nixos/modules/installer/netboot/netboot-minimal.nix
+++ b/nixos/modules/installer/netboot/netboot-minimal.nix
@@ -1,6 +1,6 @@
 # This module defines a small netboot environment.
 
-{ ... }:
+{ lib, ... }:
 
 {
   imports = [