diff --git a/test/nginx.conf b/test/nginx.conf
index aa081a8..8c167f8 100644
--- a/test/nginx.conf
+++ b/test/nginx.conf
@@ -29,8 +29,7 @@ rtmp {
 
             live on;
 
-            time mixed;
-            buffer 15s;
+            video_sync on;
 
             record keyframes;
             record_path /tmp;