diff --git a/src/runtime2/mod.rs b/src/runtime2/mod.rs
index 04b3ae6015e1ecb90d14256a31ec060c1847d2bc..ea8d309c8d8839233385c2fb61efec3fdcfa794a 100644
--- a/src/runtime2/mod.rs
+++ b/src/runtime2/mod.rs
@@ -29,7 +29,7 @@ use connector2::{ConnectorPDL, ConnectorPublic, ConnectorScheduling};
 use scheduler::{Scheduler, ControlMessageHandler};
 use native::{Connector, ConnectorApplication, ApplicationInterface};
 use crate::runtime2::inbox2::MessageFancy;
-use crate::runtime2::port::{Port, PortState};
+use crate::runtime2::port::{ChannelId, Port, PortState};
 use crate::runtime2::scheduler::{ComponentCtxFancy, SchedulerCtx};
 
 /// A kind of token that, once obtained, allows mutable access to a connector.
@@ -222,12 +222,14 @@ impl RuntimeInner {
         use port::{PortIdLocal, PortKind};
 
         let getter_id = self.port_counter.fetch_add(2, Ordering::SeqCst);
+        let channel_id = ChannelId::new(getter_id);
         let putter_id = PortIdLocal::new(getter_id + 1);
         let getter_id = PortIdLocal::new(getter_id);
 
         let getter_port = Port{
             self_id: getter_id,
             peer_id: putter_id,
+            channel_id,
             kind: PortKind::Getter,
             state: PortState::Open,
             peer_connector: creating_connector,
@@ -235,6 +237,7 @@ impl RuntimeInner {
         let putter_port = Port{
             self_id: putter_id,
             peer_id: getter_id,
+            channel_id,
             kind: PortKind::Putter,
             state: PortState::Open,
             peer_connector: creating_connector,