diff --git a/ChangeLog b/ChangeLog
index e1a8460ae3..45e6ad2be9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Sep 29 13:18:24 2006  Akinori MUSHA  <knu@iDaemons.org>
+
+	* ext/digest/lib/digest.rb (Digest): Require digest.so and fix the
+	  breakage.  Point out by NAKAMURA Usaku in [ruby-dev:29619].
+
 Fri Sep 29 12:11:04 2006  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* jcode.rb (succ!): call original succ! if $KCODE == 'n'.
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index 6ee1a0fbdf..c277a0eea5 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -1,3 +1,5 @@
+require 'digest.so'
+
 module Digest
   autoload "MD5", "digest/md5"
   autoload "RMD160", "digest/rmd160"