diff --git a/test/error_code_test.cpp b/test/error_code_test.cpp
index c22e3fa..634d609 100644
--- a/test/error_code_test.cpp
+++ b/test/error_code_test.cpp
@@ -147,11 +147,13 @@ int test_main( int, char ** )
   // test error_code and error_condition message(),
   // see Boost.Filesystem operations_test for code specific message() tests
   ec = error_code( -1, system_category );
+  std::cout << "error_code message for -1 is \"" << ec.message() << "\"\n";
   BOOST_CHECK( ec.message().substr( 0, 13) == "Unknown error" );
   ec = error_code( BOOST_ACCESS_ERROR_MACRO, system_category );
   BOOST_CHECK( ec.message() != "" );
   BOOST_CHECK( ec.message().substr( 0, 13) != "Unknown error" );
   dec = error_condition( -1, posix_category );
+  std::cout << "error_condition message for -1 is \"" << dec.message() << "\"\n";
   BOOST_CHECK( dec.message().substr( 0, 13) == "Unknown error" );
   dec = error_condition( BOOST_ACCESS_ERROR_MACRO, posix_category );
   BOOST_CHECK( dec.message() != "" );