diff --git a/test/test_log.cpp b/test/test_log.cpp
index 9b6f6df..0502991 100644
--- a/test/test_log.cpp
+++ b/test/test_log.cpp
@@ -523,7 +523,8 @@ BOOST_AUTO_TEST_CASE( boost_assign_map_list_of_are_serialized )
 
 BOOST_AUTO_TEST_CASE( boost_reference_wrappers_are_serialized )
 {
-    BOOST_CHECK_EQUAL( "3", to_string( boost::cref( 3 ) ) );
+    const int i = 3;
+    BOOST_CHECK_EQUAL( "3", to_string( boost::cref( i ) ) );
     BOOST_CHECK_EQUAL( "\"string\"", to_string( boost::cref( "string" ) ) );
 }
 
diff --git a/test/test_matcher.cpp b/test/test_matcher.cpp
index 607e60b..c17a0e0 100644
--- a/test/test_matcher.cpp
+++ b/test/test_matcher.cpp
@@ -27,8 +27,9 @@ BOOST_AUTO_TEST_CASE( int_and_int_can_be_compared )
 
 BOOST_AUTO_TEST_CASE( ref_to_int_and_int_can_be_compared )
 {
-    BOOST_CHECK( match( 3, boost::cref( 3 ) ) );
-    BOOST_CHECK( ! match( 4, boost::cref( 3 ) ) );
+    const int i = 3;
+    BOOST_CHECK( match( 3, boost::cref( i ) ) );
+    BOOST_CHECK( ! match( 4, boost::cref( i ) ) );
 }
 
 namespace