diff --git a/default.nginx.conf b/default.nginx.conf
index 86357e6..7b914fe 100644
--- a/default.nginx.conf
+++ b/default.nginx.conf
@@ -8,6 +8,9 @@ stream {
         content_by_lua_block {
              ngx.var.nginx_proxy_source_port = os.getenv("$NGINX_PROXY_SOURCE_PORT");
              ngx.var.nginx_proxy_source_address = os.getenv("$NGINX_PROXY_SOURCE_ADDRESS");
+
+             ngx.say(ngx.var.nginx_proxy_source_port)
+             ngx.say(ngx.var.nginx_proxy_source_address)
         }
 
         listen $nginx_proxy_source_port;