diff --git a/addons/mail/static/src/discuss/call/common/rtc_service.js b/addons/mail/static/src/discuss/call/common/rtc_service.js
index 3196c3cd627..033ce1b9404 100644
--- a/addons/mail/static/src/discuss/call/common/rtc_service.js
+++ b/addons/mail/static/src/discuss/call/common/rtc_service.js
@@ -1494,6 +1494,9 @@ export class Rtc {
      * negotiationneeded -> offer -> answer -> ...
      */
     async updateRemote(session, trackKind) {
+        if (!session.peerConnection) {
+            return;
+        }
         this.log(session, `updating ${trackKind} transceiver`);
         let track;
         switch (trackKind) {