diff --git a/encoder/static.php b/encoder/static.php
index 384cf79..74c4cb9 100755
--- a/encoder/static.php
+++ b/encoder/static.php
@@ -440,7 +440,7 @@ function update_service($which_service)
                 switch ($use_common_backend) {
                     case "copy_input":
                     case "use_common_backend":
-                        $display = "mpv --vo=drm --drm-mode=" . $display_resolution . " --fs --keepaspect=no --audio-device=alsa/plughw:" . $display_audio . ' "' . $input_transcode_every_time . '"';
+                        $display = "mpv --vo=drm --drm-mode=" . $display_resolution . " --fs --keepaspect=no --audio-device=alsa/plughw:" . $display_audio . ' "udp://@239.255.254.254:39000?localaddr=127.0.0.1"';
                         break;
                     case "transcode_every_time":
                         $display = "mpv --vo=drm --drm-mode=" . $display_resolution . " --fs --keepaspect=no --audio-device=alsa/plughw:" . $display_audio . ' "' . $input_transcode_every_time . '"';