diff --git a/test/ruby/test_yield.rb b/test/ruby/test_yield.rb
index a0af3eded6..82378d48b4 100644
--- a/test/ruby/test_yield.rb
+++ b/test/ruby/test_yield.rb
@@ -66,7 +66,7 @@ class TestRubyYield < Test::Unit::TestCase
   end
 
   def test_with_enum
-    obj = Object
+    obj = Object.new
     def obj.each
       yield(*[])
     end