diff --git a/ChangeLog b/ChangeLog
index 49cd4f8ba9..2e9c303aec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jun  9 21:13:51 2008  Koichi Sasada  <ko1@atdot.net>
+
+	* test_knownbug.rb -> KNOWNBUGS.rb: renamed.
+
+	* common.mk: apply above change.
+
 Mon Jun  9 21:14:26 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/mkmf.rb (configuration): set flags.
diff --git a/test_knownbug.rb b/KNOWNBUGS.rb
similarity index 100%
rename from test_knownbug.rb
rename to KNOWNBUGS.rb
diff --git a/common.mk b/common.mk
index b4f3f816ac..b79c53d8c2 100644
--- a/common.mk
+++ b/common.mk
@@ -361,7 +361,7 @@ test-sample: miniruby$(EXEEXT) $(RBCONFIG) $(PROGRAM) PHONY
 	@$(MINIRUBY) $(srcdir)/rubytest.rb
 
 test-knownbug: miniruby$(EXEEXT) $(PROGRAM) PHONY
-	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM)" $(srcdir)/test_knownbug.rb
+	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM)" $(srcdir)/KNOWNBUGS.rb
 
 test: test-sample btest-miniruby test-knownbug