diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 413d65b..d20cd84 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -20,6 +20,7 @@ import testing ;
     [ run optional_test_tie.cpp ]
     [ run optional_test_ref.cpp ]
     [ run optional_test_inplace.cpp ]
+    [ run optional_test_io.cpp ]
     [ compile-fail optional_test_fail1.cpp ]
     [ compile-fail optional_test_fail2.cpp ]
     [ compile-fail optional_test_fail3a.cpp ]