diff --git a/software/caddy-frontend/buildout.hash.cfg b/software/caddy-frontend/buildout.hash.cfg
index a2767dbb733cd5808203d06fa24c437e95fc5842..d53d35d19063321abfce665bf9747af96ac5733e 100644
--- a/software/caddy-frontend/buildout.hash.cfg
+++ b/software/caddy-frontend/buildout.hash.cfg
@@ -26,7 +26,7 @@ md5sum = 6fd023f0d29421d8579f0b3351473bb0
 
 [template-apache-replicate]
 filename = instance-apache-replicate.cfg.in
-md5sum = c9d667f8491d2efe41acc4dbd3b78b87
+md5sum = 5c5462ccc327fe109e0c102f0d3e7e53
 
 [template-slave-list]
 filename = templates/apache-custom-slave-list.cfg.in
diff --git a/software/caddy-frontend/instance-apache-replicate.cfg.in b/software/caddy-frontend/instance-apache-replicate.cfg.in
index 910e57ad50ff77faa73d9bf7b29655be247cf63c..e744a79fce539cf2613bad8be14b4b61836032c0 100644
--- a/software/caddy-frontend/instance-apache-replicate.cfg.in
+++ b/software/caddy-frontend/instance-apache-replicate.cfg.in
@@ -228,7 +228,7 @@ custom-group = ${dynamic-publish-slave-information:rendered}
 {% for slave_instance in slave_instance_list %}
 {# Provide a list of slave titles send by master, in order to filter out already destroyed slaves #}
 {# Note: This functionality is not yet covered by tests, please modify with care #}
-{%   do active_slave_instance_list.append(slave_instance['slave_title']) %}
+{%   do active_slave_instance_list.append(slave_instance['slave_reference']) %}
 {% endfor %}
 active-slave-instance-list = {{ json_module.dumps(active_slave_instance_list) }}