diff --git a/client/scripts/network.js b/client/scripts/network.js
index e1383f3d..24e29dfa 100644
--- a/client/scripts/network.js
+++ b/client/scripts/network.js
@@ -302,7 +302,7 @@ class RTCPeer extends Peer {
 
     _onChannelClosed() {
         console.log('RTC: channel closed', this._peerId);
-        if (!this.isCaller) return;
+        if (!this._isCaller) return;
         this._connect(this._peerId, true); // reopen the channel
     }
 
@@ -413,7 +413,7 @@ class PeersManager {
 
 }
 
-class WSPeer {
+class WSPeer extends Peer {
     _send(message) {
         message.to = this._peerId;
         this._server.send(message);