diff --git a/ChangeLog b/ChangeLog
index a1fce16c2d..07214e98cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Dec 27 13:28:14 2002  Minero Aoki  <aamine@loveruby.net>
+
+	* instruby.rb: fileutils.rb accepts only one argument.
+
 Fri Dec 27 13:23:29 2002  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/fileutils.rb (fu_parseargs): reject illegal options
diff --git a/instruby.rb b/instruby.rb
index 35ebd7e5cb..68b8bb4891 100644
--- a/instruby.rb
+++ b/instruby.rb
@@ -47,7 +47,7 @@ dll = CONFIG["LIBRUBY_SO"]
 lib = CONFIG["LIBRUBY"]
 arc = CONFIG["LIBRUBY_A"]
 
-makedirs bindir, libdir, rubylibdir, archlibdir, sitelibdir, sitearchlibdir, mandir
+makedirs [bindir, libdir, rubylibdir, archlibdir, sitelibdir, sitearchlibdir, mandir]
 
 install ruby_install_name+exeext, File.join(bindir, ruby_install_name+exeext), 0755
 if rubyw_install_name and !rubyw_install_name.empty?