diff --git a/ChangeLog b/ChangeLog
index 0938553a64..9eb8e61cec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jun  3 01:25:25 2013  Ayumu AIZAWA  <ayumu.aizawa@gmail.com>
+
+	* test/socket/test_sockopt.rb: change test name. follow r41037.
+
 Mon Jun  3 01:08:43 2013  Ayumu AIZAWA  <ayumu.aizawa@gmail.com>
 
 	* test/rinda/test_rinda.rb: rename functions introduced in r41009.
diff --git a/test/socket/test_sockopt.rb b/test/socket/test_sockopt.rb
index 5ed24d8345..d1f6f29c34 100644
--- a/test/socket/test_sockopt.rb
+++ b/test/socket/test_sockopt.rb
@@ -25,7 +25,7 @@ class TestSocketOption < Test::Unit::TestCase
     assert_equal(true, opt.bool)
   end
 
-  def test_ip_multicast_loop
+  def test_ipv4_multicast_loop
     sockopt = Socket::Option.ipv4_multicast_loop(128)
     assert_equal('#<Socket::Option: INET IP MULTICAST_LOOP 128>', sockopt.inspect)
     assert_equal(Socket::AF_INET, sockopt.family)
@@ -34,7 +34,7 @@ class TestSocketOption < Test::Unit::TestCase
     assert_equal(128, sockopt.ipv4_multicast_loop)
   end
 
-  def test_ip_multicast_ttl
+  def test_ipv4_multicast_ttl
     sockopt = Socket::Option.ipv4_multicast_ttl(128)
     assert_equal('#<Socket::Option: INET IP MULTICAST_TTL 128>', sockopt.inspect)
     assert_equal(Socket::AF_INET, sockopt.family)