diff --git a/include/boost/config/compiler/hp_acc.hpp b/include/boost/config/compiler/hp_acc.hpp
index 2813ec11..bcd75ead 100644
--- a/include/boost/config/compiler/hp_acc.hpp
+++ b/include/boost/config/compiler/hp_acc.hpp
@@ -8,7 +8,8 @@
 //  HP aCC C++ compiler setup:
 
 // THIS FILE IS INCOMPLETE: WE NEED THE CORRECT VERSION CHECKS ADDING!!!
-#if (__HP_aCC <= 0) || !defined(BOOST_STRICT_CONFIG)
+#if (__HP_aCC <= 33100) || !defined(BOOST_STRICT_CONFIG)
+#    define BOOST_NO_INTEGRAL_INT64_T
 #    define BOOST_NO_DEPENDENT_TYPES_IN_TEMPLATE_VALUE_PARAMETERS
 #    define BOOST_NO_OPERATORS_IN_NAMESPACE
 #  if !defined(_NAMESPACE_STD)