diff --git a/include/boost/exception/exception.hpp b/include/boost/exception/exception.hpp
index 6df93ac..fcd924e 100644
--- a/include/boost/exception/exception.hpp
+++ b/include/boost/exception/exception.hpp
@@ -303,7 +303,7 @@ boost
         struct
         enable_error_info_return_type
             {
-            typedef typename enable_error_info_helper<T,sizeof(dispatch((T*)0))>::type type;
+            typedef typename enable_error_info_helper<T,sizeof(dispatch(reinterpret_cast<T*>(0)))>::type type;
             };
         }