diff --git a/test/resolv/test_dns.rb b/test/resolv/test_dns.rb
index 00e5142272..47cc314013 100644
--- a/test/resolv/test_dns.rb
+++ b/test/resolv/test_dns.rb
@@ -178,7 +178,7 @@ class TestResolvDNS < Test::Unit::TestCase
     end
   end
 
-  def test_case_insensitive_name
+  def test_dots_diffences
     name1 = Resolv::DNS::Name.create("example.org")
     name2 = Resolv::DNS::Name.create("ex.ampl.eo.rg")
     assert_not_equal(name1, name2, "different dots")