diff --git a/pkgs/development/compilers/llvm/13/libcxx/default.nix b/pkgs/development/compilers/llvm/13/libcxx/default.nix
index f511eba81dc..c60039274de 100644
--- a/pkgs/development/compilers/llvm/13/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/13/libcxx/default.nix
@@ -44,6 +44,10 @@ stdenv.mkDerivation rec {
       libc++ is an implementation of the C++ standard library, targeting C++11,
       C++14 and above.
     '';
+
+    # https://github.com/NixOS/nixpkgs/pull/133217#issuecomment-895742807
+    broken = stdenv.isDarwin;
+
     # "All of the code in libc++ is dual licensed under the MIT license and the
     # UIUC License (a BSD-like license)":
     license = with lib.licenses; [ mit ncsa ];