diff --git a/node/app/data_worker_node.go b/node/app/data_worker_node.go
index f357d8b..4ba842c 100644
--- a/node/app/data_worker_node.go
+++ b/node/app/data_worker_node.go
@@ -78,7 +78,7 @@ func (n *DataWorkerNode) Start() error {
 }
 
 func (n *DataWorkerNode) Stop() {
-	n.logger.Info("stopping data worker node")
+	n.logger.Info("stopping data worker node", zap.Uint("core_id", n.coreId))
 
 	if n.pebble != nil {
 		err := n.pebble.Close()