diff --git a/include/boost/math/special_functions/detail/bernoulli_details.hpp b/include/boost/math/special_functions/detail/bernoulli_details.hpp
index 4114a0bd74..caf4541b9f 100644
--- a/include/boost/math/special_functions/detail/bernoulli_details.hpp
+++ b/include/boost/math/special_functions/detail/bernoulli_details.hpp
@@ -8,6 +8,7 @@
 #define BOOST_MATH_BERNOULLI_DETAIL_HPP
 
 #include <boost/config.hpp>
+#include <boost/utility/enable_if.hpp>
 #include <boost/detail/lightweight_mutex.hpp>
 #include <boost/math/tools/toms748_solve.hpp>