diff --git a/roles/httpd/website/templates/website.conf b/roles/httpd/website/templates/website.conf
index d7464913f3..99bf4fc256 100644
--- a/roles/httpd/website/templates/website.conf
+++ b/roles/httpd/website/templates/website.conf
@@ -1,7 +1,7 @@
 <VirtualHost{% for ip in ips %} {{ip}}:80{% endfor %}>
   ServerName {{ name }}
 {% if server_aliases %}
-  ServerAlias {{ server_aliases.join(" ") }}
+  ServerAlias {{ server_aliases | join(" ") }}
 {% endif %}
   ServerAdmin {{ server_admin }}
   TraceEnable Off
@@ -23,7 +23,7 @@
 <VirtualHost{% for ip in ips %} {{ip}}:443 {% endfor %}>
   ServerName {{ name }}
 {% if server_aliases %}
-  ServerAlias {{ server_aliases.join(" ") }}
+  ServerAlias {{ server_aliases | join(" ") }}
 {% endif %}
   ServerAdmin {{ server_admin }}