diff --git a/src/runtime2/port.rs b/src/runtime2/port.rs
index f58c6196cffb794ad70cf508abcd8c0b099de85c..43e9d40a5d743309ee20a44059ab0340b91f4ddd 100644
--- a/src/runtime2/port.rs
+++ b/src/runtime2/port.rs
@@ -50,6 +50,6 @@ pub struct Port {
 
 // TODO: Turn port ID into its own type
 pub struct Channel {
-    pub putter_id: u32, // can put on it, so from the connector's point of view, this is an output
-    pub getter_id: u32, // vice versa: can get on it, so an input for the connector
+    pub putter_id: PortIdLocal, // can put on it, so from the connector's point of view, this is an output
+    pub getter_id: PortIdLocal, // vice versa: can get on it, so an input for the connector
 }
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