diff --git a/six/modules/c++/cpp_pch.h b/six/modules/c++/cpp_pch.h
index 848fb29d5..cb76151d1 100644
--- a/six/modules/c++/cpp_pch.h
+++ b/six/modules/c++/cpp_pch.h
@@ -43,6 +43,8 @@
 #include <atomic>
 #include <future>
 
+#pragma warning(disable: 5105) // macro expansion producing '...' has undefined behavior
+
 #define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
 #define NOMINMAX
 #include <windows.h>