diff --git a/test/test_helper.rb b/test/test_helper.rb
index 05a0e19..cd8a22a 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -15,8 +15,13 @@ end
 
 def create_stub(funcs)
   stub = Class.new
-  funcs.each_pair do |k,v|
-    stub.define_singleton_method(k) {|*unused| return v }
+  if (RUBY_VERSION.split('.')[0].to_i >= 2)
+    funcs.each_pair {|k,v| stub.define_singleton_method(k) {|unused=nil| return v } }
+  else
+    blob = "class << stub\n"
+    funcs.each_pair {|k,v| blob += "def #{k.to_s}(unused=nil)\n #{v.inspect}\nend\n" }
+    blob += "end"
+    eval blob
   end
   stub
 end