diff --git a/ChangeLog b/ChangeLog
index 84a527617c..7fd3027046 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 14 10:56:40 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk (check-ruby): run all test of ruby itself.
+
 Mon Sep 14 10:44:47 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/ruby.h (RB_TYPE_P): should not use BUILTIN_TYPE for
diff --git a/common.mk b/common.mk
index 18901abafe..1af48389bb 100644
--- a/common.mk
+++ b/common.mk
@@ -389,6 +389,7 @@ clean-enc distclean-enc realclean-enc:
 	@-$(MAKE) -f $(ENC_MK) $(MFLAGS) $(@:-enc=)
 
 check: test test-all
+check-ruby: test test-ruby
 
 btest: miniruby$(EXEEXT) $(TEST_RUNNABLE)-btest
 no-btest: PHONY
@@ -417,6 +418,11 @@ no-test-all: PHONY
 yes-test-all: PHONY
 	$(RUNRUBY) "$(srcdir)/test/runner.rb" $(TESTS)
 
+test-ruby: $(TEST_RUNNABLE)-test-ruby
+no-test-ruby: PHONY
+yes-test-ruby: PHONY
+	$(RUNRUBY) "$(srcdir)/test/runner.rb" ruby
+
 extconf: $(PREP)
 	$(MAKEDIRS) "$(EXTCONFDIR)"
 	$(RUNRUBY) -C "$(EXTCONFDIR)" $(EXTCONF) $(EXTCONFARGS)