diff --git a/doc/ffserver.conf b/doc/ffserver.conf
index 01506a6a17..4d46629e5e 100644
--- a/doc/ffserver.conf
+++ b/doc/ffserver.conf
@@ -264,6 +264,7 @@ VideoSize 352x240
 VideoBitRate 128
 VideoGopSize 30
 AudioBitRate 64
+StartSendOnKey
 
 </Stream>