diff --git a/nixos/common/software/cli/clean-hm.nix b/nixos/common/software/cli/clean-hm.nix
index 6cccaa9b..8de28061 100644
--- a/nixos/common/software/cli/clean-hm.nix
+++ b/nixos/common/software/cli/clean-hm.nix
@@ -1,3 +1,4 @@
+{ pkgs, ... }:
 let
   clean-hm    = pkgs.writeScriptBin "clean-hm"   "${builtins.readFile ./scripts/clean-hm.sh}";
 in {