diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 082da8a9..3fea2298 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -1230,7 +1230,7 @@ test-suite misc :
       [ run logged_adaptor_output_test.cpp : : : 
          [ check-target-builds ../config//has_mpfi : <source>gmp <source>mpfr <source>mpfi : <build>no ]
          ]
-      [ run logged_adaptor_cpp_output_test.cpp ]
+      [ run logged_adaptor_cpp_output_test.cpp : : : [ requires cxx17_if_constexpr ] ]
       [ run test_hash.cpp : : : 
          [ check-target-builds ../config//has_float128 : <define>TEST_FLOAT128 <source>quadmath : ]
          [ check-target-builds ../config//has_gmp : <define>TEST_GMP <source>gmp : ]
diff --git a/test/logged_adaptor_cpp_output_test.cpp b/test/logged_adaptor_cpp_output_test.cpp
index 219f5b2e..a4920aa1 100644
--- a/test/logged_adaptor_cpp_output_test.cpp
+++ b/test/logged_adaptor_cpp_output_test.cpp
@@ -1,3 +1,8 @@
+///////////////////////////////////////////////////////////////
+//  Copyright 2023 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+
 #include <iostream>
 #include <iomanip>
 #include <boost/multiprecision/fwd.hpp>
diff --git a/test/logged_adaptor_output_test.cpp b/test/logged_adaptor_output_test.cpp
index bf15e916..aba34483 100644
--- a/test/logged_adaptor_output_test.cpp
+++ b/test/logged_adaptor_output_test.cpp
@@ -1,3 +1,8 @@
+///////////////////////////////////////////////////////////////
+//  Copyright 2023 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+
 #include <iostream>
 #include <iomanip>
 #include <boost/multiprecision/fwd.hpp>