diff --git a/pkgs/development/tools/rust/cargo-fuzz/default.nix b/pkgs/development/tools/rust/cargo-fuzz/default.nix
index 80ce649d6c1..56a2962f0c9 100644
--- a/pkgs/development/tools/rust/cargo-fuzz/default.nix
+++ b/pkgs/development/tools/rust/cargo-fuzz/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, rustPlatform }:
+{ lib, fetchFromGitHub, rustPlatform, stdenv, libiconv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-fuzz";
@@ -13,6 +13,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "sha256-eEfry6Q2YiIkNEHu6C8p17pUTF43eS1/iTP2oATZ/F8=";
 
+  buildInputs = lib.optional stdenv.isDarwin libiconv;
+
   doCheck = false;
 
   meta = with lib; {