diff --git a/ChangeLog b/ChangeLog
index c840013b70..96b737e76a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Oct  3 23:32:27 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/test/unit/testcase.rb (Test::Unit::TestCase.suite): tset name
+	  must be string.  fixed: [ruby-core:08978]
+
 Mon Oct  2 23:47:55 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/test/unit/autorunner.rb (Test::Unit::AutoRunner::COLLECTORS):
diff --git a/lib/test/unit/testcase.rb b/lib/test/unit/testcase.rb
index 0b8d235cd6..f53b460c5d 100644
--- a/lib/test/unit/testcase.rb
+++ b/lib/test/unit/testcase.rb
@@ -61,7 +61,7 @@ module Test
         end
         if (suite.empty?)
           catch(:invalid_test) do
-            suite << new(:default_test)
+            suite << new("default_test")
           end
         end
         return suite