diff --git a/src/peer/tcp.ts b/src/peer/tcp.ts
index fb14ca1..62f9b0e 100644
--- a/src/peer/tcp.ts
+++ b/src/peer/tcp.ts
@@ -18,6 +18,10 @@ export class TcpPeer implements Peer {
 
   private _id?: NodeId;
 
+  get id(): NodeId {
+    return this._id as NodeId;
+  }
+
   set id(value: NodeId) {
     this._id = value;
   }
diff --git a/src/peer/webSocket.ts b/src/peer/webSocket.ts
index b85c043..4474e26 100644
--- a/src/peer/webSocket.ts
+++ b/src/peer/webSocket.ts
@@ -16,6 +16,10 @@ export class WebSocketPeer implements Peer {
 
   private _id?: NodeId;
 
+  get id(): NodeId {
+    return this._id as NodeId;
+  }
+
   set id(value: NodeId) {
     this._id = value;
   }