diff --git a/Sources/Pegtl/include/Pegtl/demangle.hpp b/Sources/Pegtl/include/Pegtl/demangle.hpp
index 3abfe4975..98335188a 100644
--- a/Sources/Pegtl/include/Pegtl/demangle.hpp
+++ b/Sources/Pegtl/include/Pegtl/demangle.hpp
@@ -8,6 +8,10 @@
 
 #include "config.hpp"
 
+#if defined(_WIN32)
+# include <__msvc_string_view.hpp>
+#endif // defined(_WIN32)
+
 // ensure a consistent interface
 namespace PXR_PEGTL_NAMESPACE
 {