diff --git a/default.nginx.conf b/default.nginx.conf
index 9b2ae66..c3e2e38 100644
--- a/default.nginx.conf
+++ b/default.nginx.conf
@@ -6,11 +6,10 @@ events {}
 
 stream {
     server {
-        set_by_lua_block {
+        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");
         }
-
         listen $nginx_proxy_source_port;
         proxy_pass $nginx_proxy_source_address;
     }