diff --git a/include/boost/exception/info_tuple.hpp b/include/boost/exception/info_tuple.hpp
index 34afe42..bf1be15 100644
--- a/include/boost/exception/info_tuple.hpp
+++ b/include/boost/exception/info_tuple.hpp
@@ -18,6 +18,30 @@
 namespace
 boost
     {
+    template <
+        class E >
+    inline
+    E const &
+    operator<<(
+        E const & x,
+        tuple< > const & v )
+        {
+        return x;
+        }
+
+    template <
+        class E,
+        class Tag1,class T1 >
+    inline
+    E const &
+    operator<<(
+        E const & x,
+        tuple<
+            error_info<Tag1,T1> > const & v )
+        {
+        return x << v.template get<0>();
+        }
+
     template <
         class E,
         class Tag1,class T1,
diff --git a/test/error_info_test.cpp b/test/error_info_test.cpp
index 53a6d12..f3dda1a 100644
--- a/test/error_info_test.cpp
+++ b/test/error_info_test.cpp
@@ -249,12 +249,41 @@ test_catch_add_info()
 void
 test_add_tuple()
     {
-    typedef boost::tuple<test_1,test_2> test_12;
-    typedef boost::tuple<test_1,test_2,test_3> test_123;
-    typedef boost::tuple<test_1,test_2,test_3,test_5> test_1235;
+    typedef boost::tuple<> tuple_test_;
+    typedef boost::tuple<test_1> tuple_test_1;
+    typedef boost::tuple<test_1,test_2> tuple_test_12;
+    typedef boost::tuple<test_1,test_2,test_3> tuple_test_123;
+    typedef boost::tuple<test_1,test_2,test_3,test_5> tuple_test_1235;
     try
         {
-        throw test_exception() << test_12(42,42u);
+        throw test_exception() << tuple_test_();
+        }
+    catch(
+    test_exception & x )
+        {
+        }
+    catch(
+    ... )
+        {
+        BOOST_TEST(false);
+        }
+    try
+        {
+        throw test_exception() << tuple_test_1(42);
+        }
+    catch(
+    test_exception & x )
+        {
+        BOOST_TEST( *boost::get_error_info<test_1>(x)==42 );
+        }
+    catch(
+    ... )
+        {
+        BOOST_TEST(false);
+        }
+    try
+        {
+        throw test_exception() << tuple_test_12(42,42u);
         }
     catch(
     test_exception & x )
@@ -269,7 +298,7 @@ test_add_tuple()
         }
     try
         {
-        throw test_exception() << test_123(42,42u,42.0f);
+        throw test_exception() << tuple_test_123(42,42u,42.0f);
         }
     catch(
     test_exception & x )
@@ -285,7 +314,7 @@ test_add_tuple()
         }
     try
         {
-        throw test_exception() << test_1235(42,42u,42.0f,std::string("42"));
+        throw test_exception() << tuple_test_1235(42,42u,42.0f,std::string("42"));
         }
     catch(
     test_exception & x )