diff --git a/config/config.sh b/config/config.sh
index d9f3de7..d137e31 100644
--- a/config/config.sh
+++ b/config/config.sh
@@ -46,7 +46,7 @@ server {
         proxy_pass         "http://127.0.0.1:6666";
         chunked_transfer_encoding off;
         proxy_buffering off;
-        set_header X-Accel-Buffering no;
+        add_header X-Accel-Buffering no;
     }
     
 }