diff --git a/testing/web-platform/meta/webrtc-insertable-streams/RTCPeerConnection-insertable-streams-worker.https.html.ini b/testing/web-platform/meta/webrtc-insertable-streams/RTCPeerConnection-insertable-streams-worker.https.html.ini
index ebb1be5b2f93..7fb245e7ef15 100644
--- a/testing/web-platform/meta/webrtc-insertable-streams/RTCPeerConnection-insertable-streams-worker.https.html.ini
+++ b/testing/web-platform/meta/webrtc-insertable-streams/RTCPeerConnection-insertable-streams-worker.https.html.ini
@@ -2,3 +2,6 @@
   [RTCRtpSender readable stream transferred to a Worker and the Worker sends an RTCEncodedVideoFrame back]
     expected: FAIL
 
+  [RTCRtpSender readable stream transferred to a Worker and the Worker sends an RTCEncodedAudioFrame back]
+    expected: FAIL
+