diff --git a/ChangeLog b/ChangeLog
index 1cdd7312d1..24b266f4a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Feb 20 23:28:43 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* ext/readline/extconf.rb (rl_event_hook): workaround for native
+	  windows.
+
 Wed Feb 20 19:42:03 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* encoding.c (rb_enc_associate_index): doesn't clear coderange
diff --git a/ext/readline/extconf.rb b/ext/readline/extconf.rb
index b820c0b32f..8856dc9f9b 100644
--- a/ext/readline/extconf.rb
+++ b/ext/readline/extconf.rb
@@ -54,7 +54,8 @@ have_readline_var("rl_completer_quote_characters")
 have_readline_var("rl_filename_quote_characters")
 have_readline_var("rl_attempted_completion_over")
 have_readline_var("rl_library_version")
-have_readline_var("rl_event_hook")
+# workaround for native windows.
+/mswin|bccwin|mingw/ !~ RUBY_PLATFORM && have_readline_var("rl_event_hook")
 have_func("rl_cleanup_after_signal")
 have_func("rl_clear_signals")
 have_func("rl_vi_editing_mode")