diff --git a/pkgs/tools/text/html-tidy/default.nix b/pkgs/tools/text/html-tidy/default.nix
index 1a264885b48..cc3283cf854 100644
--- a/pkgs/tools/text/html-tidy/default.nix
+++ b/pkgs/tools/text/html-tidy/default.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchFromGitHub, cmake, libxslt }:
+{ stdenv, fetchFromGitHub, cmake, libxslt
+, hostPlatform
+}:
 
 stdenv.mkDerivation rec {
   name = "html-tidy-${version}";
@@ -14,7 +16,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake libxslt/*manpage*/ ];
 
   cmakeFlags = stdenv.lib.optional
-    (stdenv.cross.libc or null == "msvcrt") "-DCMAKE_SYSTEM_NAME=Windows";
+    (hostPlatform.libc or null == "msvcrt") "-DCMAKE_SYSTEM_NAME=Windows";
 
   # ATM bin/tidy is statically linked, as upstream provides no other option yet.
   # https://github.com/htacg/tidy-html5/issues/326#issuecomment-160322107