diff --git a/test/unit/cmock_plugin_manager_test.rb b/test/unit/cmock_plugin_manager_test.rb
index 597a6d5..c6891bb 100644
--- a/test/unit/cmock_plugin_manager_test.rb
+++ b/test/unit/cmock_plugin_manager_test.rb
@@ -20,8 +20,13 @@ describe CMockPluginManager, "Verify CMockPluginManager Module" do
       :enforce_strict_ordering => false,
       :ignore => :args_and_calls
     )
-    @config.define_singleton_method( :plugins ){ @plugins || [] }
-    @config.define_singleton_method( :plugins= ){ |val| @plugins = val }
+
+    #if (RUBY_VERSION.split('.')[0].to_i >= 2)
+    #  @config.define_singleton_method( :plugins ){ @plugins || [] }
+    #  @config.define_singleton_method( :plugins= ){ |val| @plugins = val }
+    #else
+      eval "class << @config\ndef plugins\n@plugins||[]\nend\ndef plugins=(val)\n@plugins=val\nend\nend\n"
+    #end
   end
 
   after do