diff --git a/include/boost/config/compiler/hp_acc.hpp b/include/boost/config/compiler/hp_acc.hpp
index b101c6c3..5a766c59 100644
--- a/include/boost/config/compiler/hp_acc.hpp
+++ b/include/boost/config/compiler/hp_acc.hpp
@@ -32,6 +32,10 @@
 #    define BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE
 #endif
 
+#if (__HP_aCC <= 38000)
+#  define BOOST_NO_TWO_PHASE_NAME_LOOKUP
+#endif
+
 #if (__HP_aCC > 50000) && (__HP_aCC < 60000)
 #    define BOOST_NO_UNREACHABLE_RETURN_DETECTION
 #    define BOOST_NO_TEMPLATE_TEMPLATES