diff --git a/ndnboost/config/compiler/pgi.hpp b/ndnboost/config/compiler/pgi.hpp
index fa32fef..64c0d75 100644
--- a/ndnboost/config/compiler/pgi.hpp
+++ b/ndnboost/config/compiler/pgi.hpp
@@ -111,6 +111,7 @@
 #define BOOST_NO_CXX11_HDR_CODECVT
 #define BOOST_NO_CXX11_HDR_CHRONO
 #define BOOST_NO_CXX11_HDR_ARRAY
+#define BOOST_NO_CXX11_USER_DEFINED_LITERALS
 
 //
 // version check: