diff --git a/src/index.ts b/src/index.ts
index 8759635..671fead 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -89,3 +89,5 @@ export default class PortDuplexStream extends Duplex {
     this._log = log;
   }
 }
+
+export { PortDuplexStream };