diff --git a/ChangeLog b/ChangeLog
index 2db2f59955..a4a2a31cc0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Nov 20 22:55:09 2004  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* test/runner.rb (CROSS_COMPILING): need to require rbconfig.rb before
+	  using CROSS_COMPILNG.
+
 Sat Nov 20 20:42:42 2004  Minero Aoki  <aamine@loveruby.net>
 
 	* ext/ripper/depend: fix ripper.o dependency.
diff --git a/test/runner.rb b/test/runner.rb
index d491b053a8..19c3b9b376 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -1,4 +1,5 @@
-exit if defined?(CROSS_COMPILING)
+require 'rbconfig'
+exit if CROSS_COMPILING
 require 'test/unit'
 
 rcsid = %w$Id$