diff --git a/src/runtime2/inbox.rs b/src/runtime2/inbox.rs
index 76970d1e2f9c3558f0e82ab1b8cb222cae795f4d..34023b2d4f910d5eadec4fd066abd37ce49737c4 100644
--- a/src/runtime2/inbox.rs
+++ b/src/runtime2/inbox.rs
@@ -187,6 +187,7 @@ pub struct ControlMessage {
 #[derive(Debug, Clone)]
 pub enum ControlMessageVariant {
     ChangePortPeer(PortIdLocal, ConnectorId), // specified port has a new peer, sent to owner of said port
+    CloseChannel(PortIdLocal), // close the port associated with this
     Ack, // acknowledgement of previous control message, matching occurs through control message ID.
 }