diff --git a/ndnboost/config/compiler/mpw.hpp b/ndnboost/config/compiler/mpw.hpp
index 14adee0..7ef38ef 100644
--- a/ndnboost/config/compiler/mpw.hpp
+++ b/ndnboost/config/compiler/mpw.hpp
@@ -68,6 +68,7 @@
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #define BOOST_NO_CXX11_VARIADIC_MACROS
 #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+#define BOOST_NO_CXX11_USER_DEFINED_LITERALS
 
 //
 // versions check: