diff --git a/Include/fileutils.h b/Include/fileutils.h
index b933e98..900c70f 100644
--- a/Include/fileutils.h
+++ b/Include/fileutils.h
@@ -22,7 +22,7 @@
 #ifdef MS_WINDOWS
 struct _Py_stat_struct {
     unsigned long st_dev;
-    __int64 st_ino;
+    uint64_t st_ino;
     unsigned short st_mode;
     int st_nlink;
     int st_uid;