diff --git a/ChangeLog b/ChangeLog
index 144ab66c11..fdd450dfd2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Nov  7 01:24:20 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* tool/make-snapshot: binary encoding spec is no longer needed in 1.9.
+
 Thu Nov  6 22:21:23 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread.c (rb_thread_stop_timer_thread): terminates timer thread
diff --git a/tool/make-snapshot b/tool/make-snapshot
index 0f0a31fb3e..25d61a7954 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -1,5 +1,5 @@
 #!/usr/bin/ruby -s
-# -*- encoding: us-ascii -*-
+# -*- coding: us-ascii -*-
 require 'uri'
 require 'digest/md5'
 require 'digest/sha2'
@@ -197,7 +197,7 @@ end
 
 revisions.collect {|rev| package(rev, destdir)}.flatten.each do |name|
   name or next
-  str = open(name, "rb:binary") {|f| f.read}
+  str = open(name, "rb") {|f| f.read}
   md5 = Digest::MD5.hexdigest str
   sha = Digest::SHA256.hexdigest str
   puts "* #{name}"