diff --git a/include/boost/config/compiler/sunpro_cc.hpp b/include/boost/config/compiler/sunpro_cc.hpp
index eca19feb..b256d843 100644
--- a/include/boost/config/compiler/sunpro_cc.hpp
+++ b/include/boost/config/compiler/sunpro_cc.hpp
@@ -64,6 +64,8 @@
 #      define BOOST_NO_INCLASS_MEMBER_INITIALIZATION
 #      define BOOST_NO_SFINAE
 #      define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS
+#    endif
+#    if (__SUNPRO_CC <= 0x580) 
 #      define BOOST_NO_IS_ABSTRACT
 #    endif
 
@@ -77,7 +79,7 @@
 #endif
 //
 // last known and checked version is 0x570:
-#if (__SUNPRO_CC > 0x570)
+#if (__SUNPRO_CC > 0x580)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  endif