diff --git a/ridlbe/ccmx11/facets/dds/templates/idl/dds/struct.erb b/ridlbe/ccmx11/facets/dds/templates/idl/dds/struct.erb
index e50015230..5ce8df4cc 100644
--- a/ridlbe/ccmx11/facets/dds/templates/idl/dds/struct.erb
+++ b/ridlbe/ccmx11/facets/dds/templates/idl/dds/struct.erb
@@ -2,7 +2,7 @@
 /// @copydoc <%= doc_scoped_name %>
 @nested(<% if has_toplevel_annotation? %>FALSE<% else %>TRUE<% end %>)
 @<%= extensibility_annotation %>
-struct <%= unescaped_name %> {
+struct <%= unescaped_name %><% unless base.nil? %> : <%= base.unescaped_name %><% end %> {
 % members.each do |_m|
   /// @copydoc <%= _m.doc_scoped_name %>
   <% if _m.has_key_annotation? %>@key <% end %><%= strip_global_scope(_m.idltype_unescaped_name) %> <%= _m.unescaped_name %>;