diff --git a/ChangeLog b/ChangeLog
index a3198553b0..4b24bbe208 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jul  7 01:58:25 2013  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/fileutils.rb (FileUtils#symbolic_modes_to_i): Fix the wrong
+	  character class [+-=], which happened to match all desired
+	  characters but also match undesired characters.
+
 Sun Jul  7 01:54:44 2013  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/fileutils.rb (FileUtils#chown, FileUtils#chown_R): Fix the
diff --git a/lib/fileutils.rb b/lib/fileutils.rb
index d3bc0834e1..723ad91000 100644
--- a/lib/fileutils.rb
+++ b/lib/fileutils.rb
@@ -904,8 +904,8 @@ module FileUtils
   def symbolic_modes_to_i(modes, path)  #:nodoc:
     current_mode = (File.stat(path).mode & 07777)
     modes.split(/,/).inject(0) do |mode, mode_sym|
-      mode_sym = "a#{mode_sym}" if mode_sym =~ %r!^[+-=]!
-      target, mode = mode_sym.split %r![+-=]!
+      mode_sym = "a#{mode_sym}" if mode_sym =~ %r!^[=+-]!
+      target, mode = mode_sym.split %r![=+-]!
       user_mask = user_mask(target)
       mode_mask = mode_mask(mode ? mode : "", path)
 
diff --git a/version.h b/version.h
index d0dfe6d5a7..40826a6285 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2013-07-07"
-#define RUBY_PATCHLEVEL 253
+#define RUBY_PATCHLEVEL 254
 
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 7