diff --git a/pkgs/by-name/ex/extism-js-core/package.nix b/pkgs/by-name/ex/extism-js-core/package.nix
index f3942d3a1e6d..6b6963677b9e 100644
--- a/pkgs/by-name/ex/extism-js-core/package.nix
+++ b/pkgs/by-name/ex/extism-js-core/package.nix
@@ -79,6 +79,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
   __structuredAttrs = true;
 
   meta = {
+    # Fails to build on darwin due to libiconv linking failure (ld: library not found for -liconv)
+    # See https://github.com/NixOS/nixpkgs/pull/523442 for a (failed) attempt at fixing the issue
+    broken = stdenv.buildPlatform.isDarwin;
     changelog = "https://github.com/extism/js-pdk/releases/tag/${finalAttrs.src.tag}";
     description = "Write Extism plugins in JavaScript & TypeScript (WASM core)";
     homepage = "https://github.com/extism/js-pdk";