diff --git a/ChangeLog b/ChangeLog
index 7b936e33e4..4683a779cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun 10 00:10:49 2008  Tanaka Akira  <akr@fsij.org>
+
+	* common.mk (test-knownbug): give $(OPTS) for bootstraptest/runner.rb.
+
 Mon Jun  9 23:10:50 2008  Tanaka Akira  <akr@fsij.org>
 
 	* eval.c (Init_stack): don't declare.  it is a macro now.
diff --git a/common.mk b/common.mk
index b79c53d8c2..c7f2c04f64 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)/KNOWNBUGS.rb
+	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM)" $(OPTS) $(srcdir)/KNOWNBUGS.rb
 
 test: test-sample btest-miniruby test-knownbug