diff --git a/pkgs/tools/package-management/lix/common-lix.nix b/pkgs/tools/package-management/lix/common-lix.nix
index 95249b3a591a..6f4d41a9928f 100644
--- a/pkgs/tools/package-management/lix/common-lix.nix
+++ b/pkgs/tools/package-management/lix/common-lix.nix
@@ -291,7 +291,9 @@ stdenv.mkDerivation (finalAttrs: {
 
     # Defense-in-depth: never inherit an executable stack from a dependency.
     # It does happen: https://github.com/NixOS/nixpkgs/issues/567777.
-    NIX_LDFLAGS = "-z,noexecstack";
+    # ELF only: Apple's ld64 rejects `-z`, and Mach-O stacks are already
+    # non-executable unless linked with `-allow_stack_execute`.
+    NIX_LDFLAGS = lib.optionalString stdenv.hostPlatform.isElf "-z,noexecstack";
   };
 
   propagatedBuildInputs = [