diff -Nru orig/ruimtehol/src/compliance.h patched/ruimtehol/src/compliance.h
--- orig/ruimtehol/src/compliance.h	2023-01-06 11:38:35.000000000 +0100
+++ patched/ruimtehol/src/compliance.h	2024-02-13 14:10:14.753494700 +0100
@@ -1,5 +1,10 @@
 
 #pragma once
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 #include <Rcpp.h>
 #include <stdlib.h>