diff --git a/web/webwatch_api.py b/web/webwatch_api.py
index 2ebd24b..78b66d1 100644
--- a/web/webwatch_api.py
+++ b/web/webwatch_api.py
@@ -116,7 +116,7 @@ class WebWatch_Tuner():
                 tuner.close()
                 abort(response)
 
-            return Response(stream.get(), mimetype='multipart/x-mixed-replace; boundary=frame')
+            return Response(stream.get(), mimetype="video/mp4")
 
         if redirect_url:
             return redirect("%s?retmessage=%s" % (redirect_url, urllib.parse.quote("%s Success" % method)))