diff --git a/include/boost/mpl/assert.hpp b/include/boost/mpl/assert.hpp
index 1af1b05..e41b583 100644
--- a/include/boost/mpl/assert.hpp
+++ b/include/boost/mpl/assert.hpp
@@ -184,16 +184,27 @@ template< typename P > struct assert_arg_pred_not
     typedef typename assert_arg_pred_impl<p>::type type;
 };
 
+#if defined(BOOST_GCC) && BOOST_GCC >= 80000
+#define BOOST_MPL_IGNORE_PARENTHESES_WARNING
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wparentheses"
+#endif
+
 template< typename Pred >
-failed ************ (Pred::************ 
+failed ************ (Pred::************
       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
     );
 
 template< typename Pred >
-failed ************ (boost::mpl::not_<Pred>::************ 
+failed ************ (boost::mpl::not_<Pred>::************
       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
     );
 
+#ifdef BOOST_MPL_IGNORE_PARENTHESES_WARNING
+#undef BOOST_MPL_IGNORE_PARENTHESES_WARNING
+#pragma GCC diagnostic pop
+#endif
+
 template< typename Pred >
 AUX778076_ASSERT_ARG(assert<false>)
 assert_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type );