diff --git a/include/proj/util.hpp b/include/proj/util.hpp
index 3f5e208eae..c350b6ee06 100644
--- a/include/proj/util.hpp
+++ b/include/proj/util.hpp
@@ -33,6 +33,11 @@
 #error Must have C++11 or newer.
 #endif
 
+// windows.h can confict with Criterion::STRICT
+#ifdef STRICT
+#undef STRICT
+#endif
+
 #include <exception>
 #include <map>
 #include <memory>