diff --git a/docker/nginx/conf.d/client.conf b/docker/nginx/conf.d/client.conf
index 4df2be9e..bdbbc3a0 100644
--- a/docker/nginx/conf.d/client.conf
+++ b/docker/nginx/conf.d/client.conf
@@ -328,6 +328,7 @@ server {
 		proxy_read_timeout 600;
 		proxy_request_buffering off; # stream uploaded files through the proxy as it comes in
 		proxy_set_header Expect $http_expect;
+		proxy_set_header User-Agent: Sia-Agent;
 
 		# Extract 2 sets of 2 characters from $request_id and assign to $dir1, $dir2
 		# respectfully. The rest of the $request_id is going to be assigned to $dir3.