diff --git a/src/index.js b/src/index.js
index fa42921..5ff89c2 100644
--- a/src/index.js
+++ b/src/index.js
@@ -30,7 +30,7 @@ async function useQrCode() {
     interval = setInterval(qrScan, 1000)
     const qr = document.querySelector('#qr')
     qr.hidden = false
-    video.srcObject = await navigator.mediaDevices.getUserMedia({ video: { facingMode: "environment" } })
+    video.srcObject = await navigator.mediaDevices.getUserMedia({ video: { facingMode: "environment" } }).catch(function(){})
     let mediaDevices = await navigator.mediaDevices.enumerateDevices()
     mediaDevices = mediaDevices.filter(function (device) {
         return device.kind == "videoinput"