diff --git a/test/cmake_install_test/main.cpp b/test/cmake_install_test/main.cpp
index d0e1435..071c262 100644
--- a/test/cmake_install_test/main.cpp
+++ b/test/cmake_install_test/main.cpp
@@ -1,3 +1,7 @@
+// Copyright 2019 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
+
 #include <boost/assert.hpp>
 
 int main()
diff --git a/test/cmake_subdir_test/main.cpp b/test/cmake_subdir_test/main.cpp
index d0e1435..071c262 100644
--- a/test/cmake_subdir_test/main.cpp
+++ b/test/cmake_subdir_test/main.cpp
@@ -1,3 +1,7 @@
+// Copyright 2019 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
+
 #include <boost/assert.hpp>
 
 int main()