diff --git a/include/boost/unordered/detail/foa/node_handle.hpp b/include/boost/unordered/detail/foa/node_handle.hpp
index 0919c7db..67e5fc33 100644
--- a/include/boost/unordered/detail/foa/node_handle.hpp
+++ b/include/boost/unordered/detail/foa/node_handle.hpp
@@ -93,7 +93,7 @@ struct node_handle_base
     }
 
   public:
-    constexpr node_handle_base()noexcept=default;
+    constexpr node_handle_base()noexcept{}
 
     node_handle_base(node_handle_base&& nh) noexcept
     {