diff --git a/cli/proxy.go b/cli/proxy.go
index af1af275..cd258948 100644
--- a/cli/proxy.go
+++ b/cli/proxy.go
@@ -95,9 +95,8 @@ server {
         proxy_set_header   Host $http_host;
         proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header   X-Forwarded-Proto $scheme;
-        proxy_http_version 1.1;
         proxy_set_header   Upgrade $http_upgrade;
-        proxy_set_header   Connection "Upgrade";
+        proxy_set_header   Connection $http_connection;
     }
 
 	#well-known