diff --git a/pkgs/development/tools/headache/default.nix b/pkgs/development/tools/headache/default.nix
index b5f5e55f3f79..93077f31104d 100644
--- a/pkgs/development/tools/headache/default.nix
+++ b/pkgs/development/tools/headache/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, nix-update-script, ocamlPackages }:
+{ lib, stdenv, fetchFromGitHub, nix-update-script, ocamlPackages, darwin }:
 
 let
   inherit (ocamlPackages) buildDunePackage camomile;
@@ -15,6 +15,8 @@ buildDunePackage rec {
     sha256 = "sha256-UXQIIsCyJZN4qos7Si7LLm9vQueOduUmLeYHuyT2GZo=";
   };
 
+  nativeBuildInputs = lib.optional stdenv.hostPlatform.isDarwin darwin.sigtool;
+
   propagatedBuildInputs = [
     camomile
   ];