diff --git a/pkgs/development/tools/flip-link/default.nix b/pkgs/development/tools/flip-link/default.nix
index 36467848c4f..697e4fb3536 100644
--- a/pkgs/development/tools/flip-link/default.nix
+++ b/pkgs/development/tools/flip-link/default.nix
@@ -1,4 +1,4 @@
-{ lib, rustPlatform, fetchFromGitHub }:
+{ lib, stdenv, rustPlatform, fetchFromGitHub, libiconv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "flip-link";
@@ -13,6 +13,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "13rgpbwaz2b928rg15lbaszzjymph54pwingxpszp5paihx4iayr";
 
+  buildInputs = lib.optional stdenv.isDarwin libiconv;
+
   meta = with lib; {
     description = "Adds zero-cost stack overflow protection to your embedded programs";
     homepage = "https://github.com/knurling-rs/flip-link";