diff --git a/ChangeLog b/ChangeLog
index 360a691e7f..763e1db09b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Nov 12 00:47:00 2003  Nathaniel Talbott  <ntalbott@ruby-lang.org>
+
+	* lib/test/unit/ui/testrunnermediator.rb: should require 'test/unit'.
+
 Tue Nov 11 23:54:00 2003  Nathaniel Talbott  <ntalbott@ruby-lang.org>
 
 	* lib/test/unit/ui/gtk/testrunner.rb: added a rescue clause to handle
diff --git a/lib/test/unit/ui/testrunnermediator.rb b/lib/test/unit/ui/testrunnermediator.rb
index bd051e2a51..4fad47a853 100644
--- a/lib/test/unit/ui/testrunnermediator.rb
+++ b/lib/test/unit/ui/testrunnermediator.rb
@@ -4,6 +4,7 @@
 # Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
 # License:: Ruby license.
 
+require 'test/unit'
 require 'test/unit/util/observable'
 require 'test/unit/testresult'