diff --git a/roles/zimbra/templates/zmldapsync.yml.j2 b/roles/zimbra/templates/zmldapsync.yml.j2
index 80a49bb..3844aec 100644
--- a/roles/zimbra/templates/zmldapsync.yml.j2
+++ b/roles/zimbra/templates/zmldapsync.yml.j2
@@ -8,7 +8,7 @@ domains:
 {% for domain in zcs_domains.keys() %}
 {% if zcs_domains[domain].ldapsync is defined %}
   {{ domain }}:
-{{ zcs_domains[domain].ldapsync | to_nice_yaml(indent=2) | indent(width=4, indentfirst=True) }}
+{{ zcs_domains[domain].ldapsync | to_nice_yaml(indent=2) | indent(width=4, first=True) }}
 {% endif %}
 {% endfor %}