diff --git a/test/test_main.cpp b/test/test_main.cpp
index 243dc3c..e1a6c7f 100644
--- a/test/test_main.cpp
+++ b/test/test_main.cpp
@@ -4,4 +4,4 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #define BOOST_TEST_MODULE cobalt_test
-#include <boost/test/included/unit_test.hpp>
+#include <boost/test/unit_test.hpp>