diff --git a/templates/postgresql/data/postgresql.conf.j2 b/templates/postgresql/data/postgresql.conf.j2
index c102471..f02afaa 100644
--- a/templates/postgresql/data/postgresql.conf.j2
+++ b/templates/postgresql/data/postgresql.conf.j2
@@ -26,12 +26,12 @@
 
 # - Connection Settings -
 
-listen_addresses = {{ postgres_connection_addresses | join(",") }}
+listen_addresses = {{ postgres_connection_addresses | list | join(",") }}
 port = {{ postgres_connection_port }}
 max_connections = 100
 #superuser_reserved_connections = 3
 unix_socket_directories = '{{ postgres_socket_directories }}'
-#unix_socket_group = '{{ postgres_socket_directories | join(",") }}'
+#unix_socket_group = '{{ postgres_socket_directories | list | join(",") }}'
 #unix_socket_permissions = 0777
 #bonjour = off
 #bonjour_name = ''
@@ -132,7 +132,7 @@ dynamic_shared_memory_type = posix
 
 # - Where to Log -
 
-log_destination = '{{ postgres_log_destination | join(",") }}'
+log_destination = '{{ postgres_log_destination | list | join(",") }}'
 # This is used when logging to stderr:
 {% if "stderr" in postgres_log_destination or "csvlog" in postgres_log_destination %}
 logging_collector = on