diff --git a/moo/mooutils/mooutils-fs.h b/moo/mooutils/mooutils-fs.h
index 40a16852..37f1d312 100644
--- a/moo/mooutils/mooutils-fs.h
+++ b/moo/mooutils/mooutils-fs.h
@@ -17,11 +17,13 @@
 #include <glib.h>
 
 /* MSVC */
-#if defined(MSVC) && !defined(__GNUC__)
-#include <syd/stat.h>
+#if defined(WIN32) && !defined(__GNUC__)
+#include <sys/stat.h>
+#ifndef S_ISREG
 #define S_ISREG(m) (((m) & (_S_IFMT)) == (_S_IFREG))
 #define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
 #endif
+#endif
 
 G_BEGIN_DECLS