1 files changed, 7 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/RTCRtpReceiver-getContributingSources.https.html b/testing/web-platform/tests/webrtc/RTCRtpReceiver-getContributingSources.https.html
index 7245d477cc..a5913f6e84 100644
--- a/testing/web-platform/tests/webrtc/RTCRtpReceiver-getContributingSources.https.html
+++ b/testing/web-platform/tests/webrtc/RTCRtpReceiver-getContributingSources.https.html
@@ -22,6 +22,13 @@ async function connectAndExpectNoCsrcs(t, kind) {
   const trackEvent = await exchangeOfferAndListenToOntrack(t, pc1, pc2);
   await exchangeAnswer(pc1, pc2);
 
+  // Some browsers might need an audio element attached to the DOM.
+  const element = document.createElement(kind);
+  element.autoplay = true;
+  element.srcObject = trackEvent.streams[0];
+  document.body.appendChild(element);
+  t.add_cleanup(() => { document.body.removeChild(element) });
+
   assert_array_equals(trackEvent.receiver.getContributingSources(), []);
 }