diff --git a/flake.nix b/flake.nix
index f3476e522..0033641aa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,6 +51,7 @@
 
               buildInputs = optionals pkgs.stdenv.isDarwin [
                 pkgs.darwin.apple_sdk.frameworks.CoreServices
+                pkgs.libiconv
               ];
 
               nativeBuildInputs = [ pkgs.installShellFiles ];