--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -307,6 +307,7 @@ sub GenerateFiles
                HAVE_LIBXML2                                => undef,
                HAVE_LIBXSLT                                => undef,
                HAVE_LIBZ                   => $self->{options}->{zlib} ? 1 : undef,
+               HAVE_LIBZSTD                => $self->{options}->{zstd} ? 1 : undef,