diff --git a/podder/handlers.py b/podder/handlers.py
index 40d53a8..2cafc7e 100644
--- a/podder/handlers.py
+++ b/podder/handlers.py
@@ -116,7 +116,6 @@
 
 def stop_slaves(service, instance_name, instance_id, data, conf):
     log.info('Stopping slaves for {}'.format(instance_name))
-    network = obtain_network_name(data)
     config = yaml.load(conf.render())
     if service in config['services']:
         service_shutdown(service, instance_name, config)
diff --git a/podder/slaves.yml.j2 b/podder/slaves.yml.j2
index 668d7d6..d72bae9 100644
--- a/podder/slaves.yml.j2
+++ b/podder/slaves.yml.j2
@@ -1,6 +1,6 @@
 {% macro address(data, network) -%}
     {% if data is defined and network is defined -%}
-    {{ data['NetworkSettings']['Networks'][network]['IPAddress'] }}:{{ data['NetworkSettings']['Ports']['50555/tcp'][0]['HostPort'] }}
+    {{ data['NetworkSettings']['Networks'][network]['IPAddress'] }}:50555 }}
     {%- else -%}
     None:None
     {%- endif %}