diff --git a/ChangeLog b/ChangeLog
index e50cf86bdf..af30fda552 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jul 28 03:08:47 2003  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/set.rb: each() should return self.
+
 Mon Jul 28 01:35:32 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* string.c (rb_str_chomp_bang): defer rb_str_modify() to actual
diff --git a/lib/set.rb b/lib/set.rb
index 37332e1fa6..935c07c3e0 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -178,6 +178,7 @@ class Set
   # the element as parameter.
   def each
     @hash.each_key { |o| yield(o) }
+    self
   end
 
   # Adds the given object to the set and returns self.