diff --git a/test/function_n_test.cpp b/test/function_n_test.cpp
index 396d4ff..a560198 100644
--- a/test/function_n_test.cpp
+++ b/test/function_n_test.cpp
@@ -598,13 +598,12 @@ test_member_functions()
   BOOST_TEST(f1_2(&one) == 2);
   BOOST_TEST(f1_2(&five) == 10);
 
-  boost::function2<int, X&, int> f2(&X::plus);
-  BOOST_TEST(f2(one, 3) == 4);
-  BOOST_TEST(f2(five, 4) == 9);
+  boost::function2<int, X*, int> f2(&X::plus);
+  BOOST_TEST(f2(&one, 3) == 4);
+  BOOST_TEST(f2(&five, 4) == 9);
 }
 
-int
-test_main(int, char* [])
+int test_main(int, char* [])
 {
   test_zero_args();
   test_one_arg();
diff --git a/test/function_test.cpp b/test/function_test.cpp
index 976d427..9529ede 100644
--- a/test/function_test.cpp
+++ b/test/function_test.cpp
@@ -598,13 +598,12 @@ test_member_functions()
   BOOST_TEST(f1_2(&one) == 2);
   BOOST_TEST(f1_2(&five) == 10);
 
-  boost::function<int, X&, int> f2(&X::plus);
-  BOOST_TEST(f2(one, 3) == 4);
-  BOOST_TEST(f2(five, 4) == 9);
+  boost::function<int, X*, int> f2(&X::plus);
+  BOOST_TEST(f2(&one, 3) == 4);
+  BOOST_TEST(f2(&five, 4) == 9);
 }
 
-int
-test_main(int, char* [])
+int test_main(int, char* [])
 {
   test_zero_args();
   test_one_arg();