diff --git a/swap/test/std_bitset.cpp b/swap/test/std_bitset.cpp
index d8d69e7..c46b686 100644
--- a/swap/test/std_bitset.cpp
+++ b/swap/test/std_bitset.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2008 Joseph Gauterin, Niels Dekker
+// Copyright (c) 2008 - 2010 Joseph Gauterin, Niels Dekker
 //
 // Distributed under the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt or copy at
@@ -17,8 +17,8 @@
 int test_main(int, char*[])
 {
   typedef std::bitset<8> bitset_type;
-  const bitset_type initial_value1 = 1ul;
-  const bitset_type initial_value2 = 2ul;
+  const bitset_type initial_value1 = 1;
+  const bitset_type initial_value2 = 2;
 
   bitset_type object1 = initial_value1;
   bitset_type object2 = initial_value2;