diff --git a/ChangeLog b/ChangeLog
index 726e227328..847297fb29 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Mar  9 19:30:25 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* lib/fileutils.rb (mkdir, mkdir_p): revert.
+
+	* instruby.rb (umask): umask 0022, not 0.
+
 Sun Mar  9 17:09:40 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* lib/fileutils.rb (mkdir, mkdir_p): set mode to 0755.
diff --git a/instruby.rb b/instruby.rb
index 5fc09468ef..fc35948bf7 100644
--- a/instruby.rb
+++ b/instruby.rb
@@ -9,7 +9,7 @@ require 'shellwords'
 require 'getopts'
 require 'tempfile'
 
-File.umask(0)
+File.umask(0022)
 
 def parse_args()
   getopts('n', 'dest-dir:',
diff --git a/lib/fileutils.rb b/lib/fileutils.rb
index 80ee1a3c0b..0997b94735 100644
--- a/lib/fileutils.rb
+++ b/lib/fileutils.rb
@@ -140,7 +140,7 @@ module FileUtils
     return if noop
 
     list.each do |dir|
-      Dir.mkdir dir, 0755
+      Dir.mkdir dir
     end
   end
 
@@ -173,7 +173,7 @@ module FileUtils
         dir = File.dirname(dir)
       end
       stack.reverse_each do |n|
-        Dir.mkdir n, 0755
+        Dir.mkdir n
       end
     end