diff --git a/src/runtime2/component/control_layer.rs b/src/runtime2/component/control_layer.rs
index 9eabc0cd5f0534f877c7251c46b1296ac11bfbf4..f3ec7e5150968c3d93f6d187a1ffd1f27689d466 100644
--- a/src/runtime2/component/control_layer.rs
+++ b/src/runtime2/component/control_layer.rs
@@ -264,6 +264,7 @@ impl ControlLayer {
                 target_port_id: Some(peer_port_id),
                 content: ControlMessageContent::ClosePort(ControlMessageClosePort{
                     closed_in_sync_round: exit_inside_sync,
+                    registered_round: port.last_registered_round,
                 }),
             }
         );