diff --git a/include/boost/exception/detail/exception_ptr.hpp b/include/boost/exception/detail/exception_ptr.hpp
index b6ccf7e..b312673 100644
--- a/include/boost/exception/detail/exception_ptr.hpp
+++ b/include/boost/exception/detail/exception_ptr.hpp
@@ -25,7 +25,7 @@
 #include <stdexcept>
 #include <new>
 #include <ios>
-#include <cstdlib>
+#include <stdlib.h>
 
 namespace
 boost
@@ -457,7 +457,7 @@ boost
         BOOST_ASSERT(p);
         p.ptr_->rethrow();
         BOOST_ASSERT(0);
-        std::abort();
+        abort();
         }
 
     inline