diff --git a/pkgs/applications/misc/flavours/default.nix b/pkgs/applications/misc/flavours/default.nix
index b116fbbbd7c..5274e606dda 100644
--- a/pkgs/applications/misc/flavours/default.nix
+++ b/pkgs/applications/misc/flavours/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, rustPlatform }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, libiconv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "flavours";
@@ -11,6 +11,9 @@ rustPlatform.buildRustPackage rec {
     sha256 = "sha256-rDy859jg+F8XC4sJogIgdn1FoT8cf7S+KORt+7kboAc=";
   };
 
+  buildInputs = [ ]
+    ++ lib.optionals stdenv.isDarwin [ libiconv ];
+
   cargoSha256 = "sha256-cAXiAPhHdxdd8pFQ0Gq7eHO2p/Dam53gDbE583UYY/k=";
 
   meta = with lib; {