diff --git a/ChangeLog b/ChangeLog
index 61efafc54e..e9fed7698e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed May 22 20:18:31 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* configure.in: need not link vsnprintf.o on MinGW.
+
 Wed May 22 18:34:23 2002  Minero Aoki  <aamine@loveruby.net>
 
 	* parse.y (yylex): Here-document label ate '-'.
diff --git a/configure.in b/configure.in
index e6295811ad..dfe138e7f6 100644
--- a/configure.in
+++ b/configure.in
@@ -218,7 +218,9 @@ mingw*)		LIBS="-lwsock32 -lmsvcrt $LIBS"
 		ac_cv_header_sys_select_h=no
 		ac_cv_header_sys_times_h=no
 		ac_cv_func_times=yes
-		ac_cv_func_waitpid=yes;;
+		ac_cv_func_waitpid=yes
+		ac_cv_func_vsnprintf=yes
+		;;
 os2_emx*)	LIBS="-lm $LIBS"
 		ac_cv_lib_dir_opendir=no;;
 msdosdjgpp*)	LIBS="-lm $LIBS"