diff --git a/include/boost/math/tools/config.hpp b/include/boost/math/tools/config.hpp
index b786bc02f..e2429133f 100644
--- a/include/boost/math/tools/config.hpp
+++ b/include/boost/math/tools/config.hpp
@@ -255,9 +255,9 @@ inline T max BOOST_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c, T d)
 } // namespace tools
 }} // namespace boost namespace math
 
-#if (defined(__linux__) && !defined(__UCLIBC__) && !defined(__clang__)) || defined(__QNX__) || defined(__IBMCPP__)
+#if (defined(__linux__) && !defined(__UCLIBC__)) || defined(__QNX__) || defined(__IBMCPP__)
 
-   #include <fenv.h>
+   #include <boost/detail/fenv.hpp>
 
    namespace boost{ namespace math{
    namespace detail