diff --git a/src/zimlib/include/zim/fileheader.h b/src/zimlib/include/zim/fileheader.h
index a34ed72..2d36b8c 100644
--- a/src/zimlib/include/zim/fileheader.h
+++ b/src/zimlib/include/zim/fileheader.h
@@ -26,6 +26,12 @@
 #include <iosfwd>
 #include <limits>
 
+#ifdef _WIN32
+#ifdef max
+#undef max
+#endif
+#endif
+
 namespace zim
 {
   class Fileheader