diff --git a/packages/transport-node-serial/src/transport.ts b/packages/transport-node-serial/src/transport.ts
index 8bc0dd522..cbd571024 100644
--- a/packages/transport-node-serial/src/transport.ts
+++ b/packages/transport-node-serial/src/transport.ts
@@ -38,7 +38,6 @@ export class TransportNodeSerial implements Types.Transport {
       });
 
       const onError = (err: Error) => {
-        port.close();
         reject(err);
       };