diff --git a/astro/nginx.conf b/astro/nginx.conf
index fb75271..aa1a610 100644
--- a/astro/nginx.conf
+++ b/astro/nginx.conf
@@ -10,7 +10,7 @@ http {
     gzip_buffers 16 8k;
     gzip_http_version 1.1;
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
-
+    default_type  application/octet-stream;
     server {
         listen 80;