diff --git a/ChangeLog b/ChangeLog
index 24ac3196c7..384ec2a887 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Sep 15 00:03:07 2006  Tanaka Akira  <akr@fsij.org>
+
+	* ext/digest/lib/digest.rb (Digest::Base.file): open a file in binary
+	  mode.  suggested by Kazuhiro NISHIYAMA.  [ruby-dev:29579]
+
 Thu Sep 14 17:21:07 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* numeric.c (fix_mul): avoid bignum multiplication as far as
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index e8f54eae59..6ee1a0fbdf 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -13,7 +13,7 @@ module Digest
     #  # => "f02e3c85572dc9ad7cb77c2a638e3be24cc1b5bea9fdbb0b0299c9668475c534"
     def self.file(name)
       digest = self.new
-      File.open(name) {|f|
+      File.open(name, "rb") {|f|
         buf = ""
         while f.read(16384, buf)
           digest.update buf