diff --git a/common.mk b/common.mk
index 37edb232de..0f1842498f 100644
--- a/common.mk
+++ b/common.mk
@@ -474,37 +474,37 @@ check-ruby: test test-ruby
 btest: $(TEST_RUNNABLE)-btest
 no-btest: PHONY
 yes-btest: miniruby$(EXEEXT) PHONY
-	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(BTESTRUBY)" $(OPTS)
+	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(BTESTRUBY)" $(OPTS) $(TESTOPTS)
 
 btest-ruby: $(TEST_RUNNABLE)-btest-ruby
 no-btest-ruby: PHONY
 yes-btest-ruby: prog PHONY
-	$(Q)$(RUNRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM) -I$(srcdir)/lib" -q $(OPTS)
+	$(Q)$(RUNRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM) -I$(srcdir)/lib" -q $(OPTS) $(TESTOPTS)
 
 test-sample: $(TEST_RUNNABLE)-test-sample
 no-test-sample: PHONY
 yes-test-sample: prog PHONY
-	$(Q)$(RUNRUBY) $(srcdir)/tool/rubytest.rb
+	$(Q)$(RUNRUBY) $(srcdir)/tool/rubytest.rb $(OPTS) $(TESTOPTS)
 
 test-knownbugs: test-knownbug
 test-knownbug: $(TEST_RUNNABLE)-test-knownbug
 no-test-knownbug: PHONY
 yes-test-knownbug: prog PHONY
-	-$(RUNRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM)" $(OPTS) $(srcdir)/KNOWNBUGS.rb
+	-$(RUNRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM)" $(OPTS) $(TESTOPTS) $(srcdir)/KNOWNBUGS.rb
 
 test: test-sample btest-ruby test-knownbug
 
 test-all: $(TEST_RUNNABLE)-test-all
 yes-test-all: prog PHONY
-	$(RUNRUBY) "$(srcdir)/test/runner.rb" --ruby="$(RUNRUBY)" $(TESTS)
+	$(RUNRUBY) "$(srcdir)/test/runner.rb" --ruby="$(RUNRUBY)" $(TESTOPTS) $(TESTS)
 TESTS_BUILD = mkmf
 no-test-all: PHONY
-	$(MINIRUBY) -I"$(srcdir)/lib" "$(srcdir)/test/runner.rb" $(TESTS_BUILD)
+	$(MINIRUBY) -I"$(srcdir)/lib" "$(srcdir)/test/runner.rb" $(TESTOPTS) $(TESTS_BUILD)
 
 test-ruby: $(TEST_RUNNABLE)-test-ruby
 no-test-ruby: PHONY
 yes-test-ruby: prog encs PHONY
-	$(RUNRUBY) "$(srcdir)/test/runner.rb" -q $(TESTS) ruby
+	$(RUNRUBY) "$(srcdir)/test/runner.rb" -q $(TESTOPTS) $(TESTS) ruby
 
 extconf: $(PREP)
 	$(Q) $(MAKEDIRS) "$(EXTCONFDIR)"
diff --git a/tool/rubytest.rb b/tool/rubytest.rb
index 6b8a665dde..08eada44b8 100755
--- a/tool/rubytest.rb
+++ b/tool/rubytest.rb
@@ -16,7 +16,7 @@ $stderr.reopen($stdout)
 error = ''
 
 srcdir = File.expand_path('..', File.dirname(__FILE__))
-`#{ruby} #{srcdir}/sample/test.rb`.each_line do |line|
+`#{ruby} #{srcdir}/sample/test.rb #{ARGV.join(' ')}`.each_line do |line|
   if line =~ /^end of test/
     print "\ntest succeeded\n"
     exit true