diff --git a/include/boost/container/node_handle.hpp b/include/boost/container/node_handle.hpp
index 300b471..9a37f52 100644
--- a/include/boost/container/node_handle.hpp
+++ b/include/boost/container/node_handle.hpp
@@ -323,7 +323,7 @@ class node_handle
 
       if(was_nh_non_null){
          if(was_this_non_null){
-            if(ator_traits::propagate_on_container_swap){
+            if(ator_traits::propagate_on_container_swap::value){
                ::boost::adl_move_swap(this->node_alloc(), nh.node_alloc());
             }
          }