diff --git a/httplib.h b/httplib.h
index 5d9efb9..d8d9b17 100644
--- a/httplib.h
+++ b/httplib.h
@@ -2872,7 +2872,7 @@ inline bool mmap::open(const char *path) {
   // See:
   // https://github.com/yhirose/cpp-httplib/issues/1903#issuecomment-2316520721
   if (static_cast<ULONGLONG>(size.QuadPart) >
-      std::numeric_limits<decltype(size_)>::max()) {
+      (std::numeric_limits<decltype(size_)>::max)()) {
     // `size_t` might be 32-bits, on 32-bits Windows.
     return false;
   }