diff --git a/templates/nginx_stream_block.conf.j2 b/templates/nginx_stream_block.conf.j2
index 9c25e09..c00ae70 100644
--- a/templates/nginx_stream_block.conf.j2
+++ b/templates/nginx_stream_block.conf.j2
@@ -7,6 +7,6 @@ server {
     proxy_responses 1;
     proxy_pass {{ targetip }}:$server_port;
 
-    {% if transparent %} proxy_bind $remote_addr transparent; {% endif %}
+    {% if transparent %} proxy_bind $remote_addr{% if udp %}:$remote_port{% endif %} transparent; {% endif %}
 }