diff --git a/src/content/peerconnection/channel/js/main.js b/src/content/peerconnection/channel/js/main.js
index 6c797e5ac..b597d4baf 100644
--- a/src/content/peerconnection/channel/js/main.js
+++ b/src/content/peerconnection/channel/js/main.js
@@ -80,7 +80,7 @@ async function hangup() {
   hangupButton.disabled = true;
 };
 
-function createPeerConnection() {
+async function createPeerConnection() {
   pc = new RTCPeerConnection();
   pc.onicecandidate = e => {
     const message = {