diff --git a/pkgs/applications/blockchains/ethabi/default.nix b/pkgs/applications/blockchains/ethabi/default.nix
index 14f83539d70..e2598ba22db 100644
--- a/pkgs/applications/blockchains/ethabi/default.nix
+++ b/pkgs/applications/blockchains/ethabi/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, rustPlatform }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, libiconv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "ethabi";
@@ -15,6 +15,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoPatches = [ ./add-Cargo-lock.patch ];
 
+  buildInputs = lib.optional stdenv.isDarwin libiconv;
+
   meta = with lib; {
     description = "Ethereum function call encoding (ABI) utility";
     homepage = "https://github.com/rust-ethereum/ethabi";