diff --git a/docker/nginx/conf.d/server/server.api b/docker/nginx/conf.d/server/server.api
index d180aea7..1dc7cb3f 100644
--- a/docker/nginx/conf.d/server/server.api
+++ b/docker/nginx/conf.d/server/server.api
@@ -381,6 +381,7 @@ location /skynet/trustless/basesector {
     limit_rate_after 512k;
     limit_rate $limit_rate;
 
+    proxy_set_header User-Agent: Sia-Agent;
     proxy_pass http://sia:9980;
 }