diff --git a/ChangeLog b/ChangeLog
index 406a87c0de..e491ea5c1e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jan 15 13:10:58 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* win32/Makefile.sub (COMPILERFLAG): for enc/trans/gb18030.c.
+
 Thu Jan 15 13:10:09 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in, win32/Makefile.sub (MISSING): added langinfo on mingw
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 99da2f364f..498dec6d72 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -153,7 +153,7 @@ COUTFLAG      = -Fo
 RUNTIMEFLAG   = -MD
 !endif
 !if !defined(COMPILERFLAG)
-COMPILERFLAG  = -Zm200
+COMPILERFLAG  = -Zm600
 !endif
 !if !defined(CFLAGS)
 CFLAGS = $(RUNTIMEFLAG) $(DEBUGFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(PROCESSOR_FLAG) $(COMPILERFLAG)