diff --git a/modules/proxyconnection/ProxyConnectionPC.js b/modules/proxyconnection/ProxyConnectionPC.js
index e1b176cf2c..e0ecbf2a2e 100644
--- a/modules/proxyconnection/ProxyConnectionPC.js
+++ b/modules/proxyconnection/ProxyConnectionPC.js
@@ -277,7 +277,7 @@ export default class ProxyConnectionPC {
          * An additional initialize call is necessary to properly set instance
          * variable for calling.
          */
-        peerConnection.initialize(roomStub, this._rtc, configStub);
+        peerConnection.initialize(roomStub, this._rtc, signalingLayer, configStub);
 
         return peerConnection;
     }