diff --git a/src/protocol/mod.rs b/src/protocol/mod.rs
index 4a901047cbc4513c18fb04d3f58a511a93ae694a..a76dd76dfb6a964fb93ca42ea626d737d198f086 100644
--- a/src/protocol/mod.rs
+++ b/src/protocol/mod.rs
@@ -247,7 +247,7 @@ impl EvalContext<'_> {
         match self {
             EvalContext::None => unreachable!(),
             EvalContext::Nonsync(context) => {
-                let [from, to] = context.new_channel();
+                let [from, to] = context.new_port_pair();
                 let from = Value::Output(OutputValue(from));
                 let to = Value::Input(InputValue(to));
                 return [from, to];