diff --git a/src/rtr/session.rs b/src/rtr/session.rs
index 0110bba..fc35648 100644
--- a/src/rtr/session.rs
+++ b/src/rtr/session.rs
@@ -786,10 +786,11 @@ where
             }
 
             SerialResult::UpToDate => {
+                self.write_cache_response(current_session).await?;
                 self.write_end_of_data(current_session, current_serial, timing)
                     .await?;
                 debug!(
-                    "RTR session replied EndOfData (up-to-date) to Serial Query: client_session_id={}, client_serial={}, response_session_id={}, response_serial={}, state={}, negotiated_version={:?}",
+                    "RTR session replied CacheResponse+EndOfData (up-to-date) to Serial Query: client_session_id={}, client_serial={}, response_session_id={}, response_serial={}, state={}, negotiated_version={:?}",
                     client_session,
                     client_serial,
                     current_session,