diff --git a/test/test_legendre.hpp b/test/test_legendre.hpp
index 4c747887e..1a85050f8 100644
--- a/test/test_legendre.hpp
+++ b/test/test_legendre.hpp
@@ -17,7 +17,7 @@
 #include <boost/math/constants/constants.hpp>
 #include <boost/multiprecision/cpp_bin_float.hpp>
 #include <boost/array.hpp>
-#include <boost/typeindex.hpp>
+#include <boost/type_index.hpp>
 #include "functor.hpp"
 
 #include "handle_test_result.hpp"