diff --git a/ChangeLog b/ChangeLog
index bd394ea441..2c7623dff8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Tue May 17 19:35:01 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+	Fix FreeBSD test failure.
+
+	* test/ruby/test_rubyoptions.rb	(TestRubyOptions#test_set_program_name):
+	  use ps -o command instead of ps -o cmd. FreeBSD doesn't support
+	  -o cmd option.
+
 Tue May 17 08:04:26 2011  Martin Bosslet  <Martin.Bosslet@googlemail.com>
 
 	* ext/openssl/ossl_digest.c: Add documentation.
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index d0522da06c..0d2bf747cc 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -404,7 +404,7 @@ class TestRubyOptions < Test::Unit::TestCase
     skip if /linux|freebsd|netbsd|openbsd/ !~ RUBY_PLATFORM
 
     $0 = 'hello world'
-    ps = `ps -p #{$$} -o cmd`
+    ps = `ps -p #{$$} -o command`
     assert_match(/hello world/, ps)
   end