diff --git a/include/boost/limits.hpp b/include/boost/limits.hpp
index f468dbce..370c0f21 100644
--- a/include/boost/limits.hpp
+++ b/include/boost/limits.hpp
@@ -76,8 +76,8 @@ namespace std
       static BOOST_LLT denorm_min() throw() { return 0; };
 
       BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
-      BOOST_STATIC_CONSTANT(bool, is_bounded = false);
-      BOOST_STATIC_CONSTANT(bool, is_modulo = false);
+      BOOST_STATIC_CONSTANT(bool, is_bounded = true);
+      BOOST_STATIC_CONSTANT(bool, is_modulo = true);
 
       BOOST_STATIC_CONSTANT(bool, traps = false);
       BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
@@ -129,8 +129,8 @@ namespace std
       static BOOST_ULLT denorm_min() throw() { return 0; };
 
       BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
-      BOOST_STATIC_CONSTANT(bool, is_bounded = false);
-      BOOST_STATIC_CONSTANT(bool, is_modulo = false);
+      BOOST_STATIC_CONSTANT(bool, is_bounded = true);
+      BOOST_STATIC_CONSTANT(bool, is_modulo = true);
 
       BOOST_STATIC_CONSTANT(bool, traps = false);
       BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
@@ -141,3 +141,4 @@ namespace std
 #endif 
 
 #endif
+