diff --git a/conf/nginx.conf b/conf/nginx.conf
index fb1fe8d..53b74ad 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -43,7 +43,7 @@ location __PATH__/ {
       expires off;
       gzip off;
       default_type "image/gif";
-      add_header 'Access-Control-Allow-Origin' *;
+      more_set_headers "Access-Control-Allow-Origin: *";
       try_files $uri /index.php?$args;
   }