diff --git a/Libraries/Opc.Ua.Server/NodeManager/MasterNodeManager.cs b/Libraries/Opc.Ua.Server/NodeManager/MasterNodeManager.cs
index 7fd2770d55..480c0bb637 100644
--- a/Libraries/Opc.Ua.Server/NodeManager/MasterNodeManager.cs
+++ b/Libraries/Opc.Ua.Server/NodeManager/MasterNodeManager.cs
@@ -798,6 +798,7 @@ namespace Opc.Ua.Server
                 if (NodeId.IsNull(element.ReferenceTypeId))
                 {
                     element.ReferenceTypeId = ReferenceTypeIds.References;
+                    element.IncludeSubtypes = true;
                 }
             }
             // validate access rights and role permissions