diff --git a/tests/test_defer.rb b/tests/test_defer.rb
index e7fad1289..be3c5c7b3 100644
--- a/tests/test_defer.rb
+++ b/tests/test_defer.rb
@@ -28,20 +28,22 @@
 require 'eventmachine'
 require 'test/unit'
 
-class TestDeferUsage < Test::Unit::TestCase
+unless RUBY_VERSION >= '1.9.0'
+  class TestDeferUsage < Test::Unit::TestCase
 
-  def test_defers
-    n = 0
-    n_times = 20
-    EM.run {
-      n_times.times {
-        work_proc = proc { n += 1 }
-        callback = proc { EM.stop if n == n_times }
-        EM.defer work_proc, callback
+    def test_defers
+      n = 0
+      n_times = 20
+      EM.run {
+        n_times.times {
+          work_proc = proc { n += 1 }
+          callback = proc { EM.stop if n == n_times }
+          EM.defer work_proc, callback
+        }
       }
-    }
-    assert_equal( n, n_times )
-  end unless RUBY_VERSION >= '1.9.0'
+      assert_equal( n, n_times )
+    end
 
+  end
 end