diff --git a/software/caddy-frontend/buildout.hash.cfg b/software/caddy-frontend/buildout.hash.cfg
index 0b989f7468e44a4e92886a69318a5a438c4b15a3..8fff40a0f8793b4d11162b6559fe9c7abec7a508 100644
--- a/software/caddy-frontend/buildout.hash.cfg
+++ b/software/caddy-frontend/buildout.hash.cfg
@@ -30,7 +30,7 @@ md5sum = a0110d0ec69875946a16ac3a4b269eb8
 
 [template-slave-list]
 filename = templates/apache-custom-slave-list.cfg.in
-md5sum = d38a5b67b37732e234556fc09e17b1e9
+md5sum = 47ad8fc21b2b9cbf8c01cff15472f1a4
 
 [template-slave-configuration]
 filename = templates/custom-virtualhost.conf.in
@@ -46,7 +46,7 @@ md5sum = 7c987ad75fcce6f5b925c7696ff41971
 
 [template-custom-slave-list]
 filename = templates/apache-custom-slave-list.cfg.in
-md5sum = d38a5b67b37732e234556fc09e17b1e9
+md5sum = 47ad8fc21b2b9cbf8c01cff15472f1a4
 
 [caddy-backend-url-validator]
 filename = templates/caddy-backend-url-validator.in
diff --git a/software/caddy-frontend/templates/apache-custom-slave-list.cfg.in b/software/caddy-frontend/templates/apache-custom-slave-list.cfg.in
index d18cc3d600440877d332c8bf7709625af1966a77..c42a18add5e3242cad640e13e06f1856044dbcaa 100644
--- a/software/caddy-frontend/templates/apache-custom-slave-list.cfg.in
+++ b/software/caddy-frontend/templates/apache-custom-slave-list.cfg.in
@@ -189,7 +189,7 @@ extra-context =
 < = jinja2-template-base
 template = {{ empty_template }}
 rendered = {{ cert_file }}
-cert-content = {{ dumps(slave_instance.get('ssl_crt') + slave_instance.get('ssl_ca_crt', '') }}
+cert-content = {{ dumps(slave_instance.get('ssl_crt') + slave_instance.get('ssl_ca_crt', '')) }}
 extra-context =
     key content :cert-content
 {%     endif %}