diff --git a/ndnboost/config/compiler/digitalmars.hpp b/ndnboost/config/compiler/digitalmars.hpp
index 15cc209..0206dc3 100644
--- a/ndnboost/config/compiler/digitalmars.hpp
+++ b/ndnboost/config/compiler/digitalmars.hpp
@@ -86,6 +86,7 @@
 #define BOOST_NO_CXX11_UNICODE_LITERALS
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+#define BOOST_NO_CXX11_USER_DEFINED_LITERALS
 
 #if (__DMC__ < 0x812)
 #define BOOST_NO_CXX11_VARIADIC_MACROS