diff --git a/templates/haproxy-docker-stack.yml.j2 b/templates/haproxy-docker-stack.yml.j2
index b047365..5bb4449 100644
--- a/templates/haproxy-docker-stack.yml.j2
+++ b/templates/haproxy-docker-stack.yml.j2
@@ -1,8 +1,14 @@
 version: '3.6'
 
 networks:
-  {{ haproxy_docker_overlay_network }}:
+{% for overlay_net in haproxy_docker_overlay_default_network %}
+  {{ overlay_net }}:
     external: true
+{% endfor %}
+{% for add_overlay_net in haproxy_docker_swarm_overlay_additional_networks %}       
+  {{ add_overlay_net }}:
+    external: true
+{% endfor %}
 
 {% if not haproxy_docker_mount_conf_file %}
 configs: