diff --git a/ChangeLog b/ChangeLog
index 441d581235..748fe0bc88 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Sep  4 23:26:22 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* include/ruby/win32.h: fix macro name for VC runtime version,
+	  RT_VER is only in Makefile.
+
 Fri Sep  4 17:46:17 2015  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
 
 	* doc/contributing.rdoc: fix configuration option.
diff --git a/include/ruby/win32.h b/include/ruby/win32.h
index e6bc077206..0d07745eda 100644
--- a/include/ruby/win32.h
+++ b/include/ruby/win32.h
@@ -170,7 +170,7 @@ typedef int clockid_t;
 #define off_t __int64
 #define stat stati64
 #define fstat(fd,st)		fstati64(fd,st)
-#if !defined(_MSC_VER) || RT_VER < 80
+#if !defined(_MSC_VER) || RUBY_MSVCRT_VERSION < 80
 #define stati64 _stati64
 #ifndef _stati64
 #define _stati64(path, st) rb_w32_stati64(path, st)