diff --git a/ThirdParty/diy2/vtkdiy2/include/vtkdiy2/fmt/format.h b/ThirdParty/diy2/vtkdiy2/include/vtkdiy2/fmt/format.h
index dcf4a399..f1dca564 100644
--- a/ThirdParty/diy2/vtkdiy2/include/vtkdiy2/fmt/format.h
+++ b/ThirdParty/diy2/vtkdiy2/include/vtkdiy2/fmt/format.h
@@ -265,7 +265,7 @@ inline typename Container::value_type* get_data(Container& c) {
   return c.data();
 }
 
-#ifdef _SECURE_SCL
+#if defined(_SECURE_SCL) && (!defined(_MSC_VER) || _MSC_VER < 1951)
 // Make a checked iterator to avoid MSVC warnings.
 template <typename T> using checked_ptr = stdext::checked_array_iterator<T*>;
 template <typename T> checked_ptr<T> make_checked(T* p, std::size_t size) {