diff --git a/docker/rootfs/usr/local/nginx/conf/nginx.conf b/docker/rootfs/usr/local/nginx/conf/nginx.conf
index b36c81ea1..4ff1b51ac 100644
--- a/docker/rootfs/usr/local/nginx/conf/nginx.conf
+++ b/docker/rootfs/usr/local/nginx/conf/nginx.conf
@@ -91,7 +91,7 @@ http {
             vod hls;
 
             secure_token $args;
-			secure_token_types application/vnd.apple.mpegurl;
+            secure_token_types application/vnd.apple.mpegurl;
 
             add_header Access-Control-Allow-Headers '*';
             add_header Access-Control-Expose-Headers 'Server,range,Content-Length,Content-Range';
@@ -267,4 +267,4 @@ rtmp {
             meta copy;
         }
     }
-}
+}
\ No newline at end of file