diff --git a/test/ruby/test_marshal.rb b/test/ruby/test_marshal.rb
index 85cec0a..ecf4478 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -32,6 +32,14 @@ class TestMarshal < Test::Unit::TestCase
     return f
   end
 
+  def test_marshal_object_and_float
+    e = Object.new
+    calls = []
+    calls << [2.0, e]
+    calls << [e]
+    assert_equal calls, Marshal.load(Marshal.dump(calls))
+  end
+
   def test_marshal
     a = [1, 2, 3, [4,5,"foo"], {1=>"bar"}, 2.5, fact(30)]
     assert_equal a, Marshal.load(Marshal.dump(a))