diff --git a/include/boost/type_traits/config.hpp b/include/boost/type_traits/config.hpp
index 821bf60..7f98789 100644
--- a/include/boost/type_traits/config.hpp
+++ b/include/boost/type_traits/config.hpp
@@ -32,7 +32,7 @@
     || BOOST_WORKAROUND(__IBMCPP__, < 600 )                         \
     || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))       \
     || defined(__ghs)                                               \
-    || BOOST_WORKAROUND(__HP_aCC, BOOST_TESTED_AT(53800))           \
+    || BOOST_WORKAROUND(__HP_aCC, < 60700)           \
     || BOOST_WORKAROUND(MPW_CPLUS, BOOST_TESTED_AT(0x890))          \
     || BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580)))       \
     && defined(BOOST_NO_IS_ABSTRACT)
diff --git a/include/boost/type_traits/is_convertible.hpp b/include/boost/type_traits/is_convertible.hpp
index f817f66..5ad740e 100644
--- a/include/boost/type_traits/is_convertible.hpp
+++ b/include/boost/type_traits/is_convertible.hpp
@@ -340,7 +340,7 @@ struct is_convertible_impl_select<true, false, true>
 template <typename From, typename To>
 struct is_convertible_impl_dispatch_base
 {
-#ifndef __HP_aCC
+#if !BOOST_WORKAROUND(__HP_aCC, < 60700)
    typedef is_convertible_impl_select< 
       ::boost::is_arithmetic<From>::value, 
       ::boost::is_arithmetic<To>::value,