diff --git a/src/libutil-tests/monitorfdhup.cc b/src/libutil-tests/monitorfdhup.cc
index f9da4022d..8e6fed6f0 100644
--- a/src/libutil-tests/monitorfdhup.cc
+++ b/src/libutil-tests/monitorfdhup.cc
@@ -1,8 +1,10 @@
-#include "nix/util/util.hh"
-#include "nix/util/monitor-fd.hh"
+#ifndef _WIN32
 
-#include <sys/file.h>
-#include <gtest/gtest.h>
+#  include "nix/util/util.hh"
+#  include "nix/util/monitor-fd.hh"
+
+#  include <sys/file.h>
+#  include <gtest/gtest.h>
 
 namespace nix {
 TEST(MonitorFdHup, shouldNotBlock)
@@ -16,3 +18,5 @@ TEST(MonitorFdHup, shouldNotBlock)
     }
 }
 }
+
+#endif