diff --git a/libp2p/security/noise/transport.py b/libp2p/security/noise/transport.py
index 291fb81..a567eb2 100644
--- a/libp2p/security/noise/transport.py
+++ b/libp2p/security/noise/transport.py
@@ -7,7 +7,7 @@ from libp2p.security.secure_conn_interface import ISecureConn
 from libp2p.security.secure_transport_interface import ISecureTransport
 from libp2p.typing import TProtocol
 
-PROTOCOL_ID = TProtocol("/")
+PROTOCOL_ID = TProtocol("/noise")
 
 
 class NoiseConnection(BaseSession):