diff --git a/templates/mongod.conf.j2 b/templates/mongod.conf.j2
index 53c8d59..88ebe5f 100644
--- a/templates/mongod.conf.j2
+++ b/templates/mongod.conf.j2
@@ -27,5 +27,7 @@ smallfiles = {{ mongodb_conf_smallfiles|to_nice_json }}
 replSet = {{ mongodb_conf_replSet }}
 replIndexPrefetch = {{ mongodb_conf_replIndexPrefetch }}
 oplogSize = {{ mongodb_conf_oplogSize }}
+{% endif %}
+{% if mongodb_conf_replSet and mongodb_conf_auth %}
 keyFile = {{ mongodb_conf_keyFile }}
 {% endif %}