diff --git a/js/transaction.ts b/js/transaction.ts
index ef09ed7..c373dab 100644
--- a/js/transaction.ts
+++ b/js/transaction.ts
@@ -57,7 +57,11 @@ async function startCamera() {
     let stream: MediaStream;
     try {
         stream = await navigator.mediaDevices.getUserMedia({
-            video: true,
+            video: {
+                facingMode: {
+                    ideal: "environment",
+                },
+            },
             audio: false,
         });
     } catch (ex) {