diff --git a/readme.md b/readme.md
index fd5fe34..8a50fd2 100644
--- a/readme.md
+++ b/readme.md
@@ -12,7 +12,7 @@ ffmpeg -i 'rtsp://admin:pass@10.0.0.104' -vn \
   -i 'rtsp://admin:pass@10.0.0.222' -vn \
   -ac 1 -filter_complex amerge=inputs=2 \
   -hide_banner -loglevel error -f mp3 - \
-    | netcat localhost 7517
+    | netcat localhost 7517 &
 
 vlc 'tcp://localhost:7518'
 ```