diff --git a/include/catch.hpp b/include/catch.hpp
index 118337c9..377cb31e 100644
--- a/include/catch.hpp
+++ b/include/catch.hpp
@@ -62,6 +62,10 @@
 #endif
 
 #ifdef CATCH_IMPL
+  #ifdef CATCH_PLATFORM_WINDOWS
+    #include "internal/catch_windows_h_proxy.h"
+  #endif
+
 #include "internal/catch_impl.hpp"
 #endif