diff --git a/pkgs/development/libraries/volk/default.nix b/pkgs/development/libraries/volk/default.nix
index bbc4189fff8..c795d783894 100644
--- a/pkgs/development/libraries/volk/default.nix
+++ b/pkgs/development/libraries/volk/default.nix
@@ -10,6 +10,8 @@
 
 stdenv.mkDerivation rec {
   pname = "volk";
+  # Version 2.5.1 seems to cause a build issue for aarch64-darwin, see:
+  # https://github.com/NixOS/nixpkgs/pull/160152#issuecomment-1043380478A
   version = "2.5.0";
 
   src = fetchFromGitHub {