diff --git a/postgresql/templates/pg_backup-default.j2 b/postgresql/templates/pg_backup-default.j2
index e7aae3d4..61648797 100644
--- a/postgresql/templates/pg_backup-default.j2
+++ b/postgresql/templates/pg_backup-default.j2
@@ -15,7 +15,11 @@ BUILD_DBLIST={{ pg_backup_build_db_list }}
 {% if pg_backup_db_list is defined %}
 DB_LIST="{{ pg_backup_db_list }}"
 {% else %}
-DB_LIST="{% for db in psql_db_data %}{{ db.name }} {% endfor %}"
+{% if psql_db_data is defined %}
+DB_LIST="{% for db in psql_db_data %}{% if db.managedb is defined and db.managedb %}{{ db.name }} {% endif %}{% endfor %}"
+{% else %}
+DB_LIST=""
+{% endif %}
 {% endif %}
 PG_USE_AUTH={{ pg_backup_use_auth }}
 PG_PASS_FILE={{ pg_backup_pass_file }}