1 files changed, 2 insertions, 0 deletions
diff --git a/file.c b/file.c
index 0b469992d3..fab1b343c1 100644
--- a/file.c
+++ b/file.c
@@ -100,6 +100,8 @@ int flock(int, int);
 #define lstat(p, s)	rb_w32_ulstati64((p), (s))
 #undef access
 #define access(p, m)	rb_w32_uaccess((p), (m))
+#undef truncate
+#define truncate(p, n)	rb_w32_utruncate((p), (n))
 #undef chmod
 #define chmod(p, m)	rb_w32_uchmod((p), (m))
 #undef chown