diff --git a/Jamfile b/Jamfile
index 425de50..dc93545 100644
--- a/Jamfile
+++ b/Jamfile
@@ -2,15 +2,15 @@ subproject libs/static_assert ;
 
 
 unit-test static_assert_test : static_assert_test.cpp
-	: <include>$(BOOST_ROOT) : ;
+	: <sysinclude>$(BOOST_ROOT) : ;
 
 unit-test static_assert_example_1 : static_assert_example_1.cpp
-	: <include>$(BOOST_ROOT) : ;
+	: <sysinclude>$(BOOST_ROOT) : ;
 
 unit-test static_assert_example_2 : static_assert_example_2.cpp
-	: <include>$(BOOST_ROOT) : ;
+	: <sysinclude>$(BOOST_ROOT) : ;
 
 unit-test static_assert_example_3 : static_assert_example_3.cpp
-	: <include>$(BOOST_ROOT) : ;
+	: <sysinclude>$(BOOST_ROOT) : ;