diff --git a/rootfs/etc/confd/templates/sieve-ldap.conf.tmpl b/rootfs/etc/confd/templates/sieve-ldap.conf.tmpl
index d2ac42c..be7fc82 100644
--- a/rootfs/etc/confd/templates/sieve-ldap.conf.tmpl
+++ b/rootfs/etc/confd/templates/sieve-ldap.conf.tmpl
@@ -1,12 +1,12 @@
-hosts = {{getenv "LDAPSIEVEHOST"}}
-dn = {{getenv "LDAPBINDDN"}}
-dnpass = {{getenv "LDAPBINDPASSWORD"}}
+hosts = {{getenv "LDAP_SIEVE_HOST"}}
+dn = {{getenv "LDAP_BIND_DN"}}
+dnpass = {{getenv "LDAP_BIND_PASSWORD"}}
 sasl_bind = no
-tls = {{getenv "LDAPUSETLS"}}
+tls = {{getenv "LDAP_USE_TLS" "yes"}}
 ldap_version = 3
-base = {{getenv "LDAPBASEDN"}}
+base = {{getenv "LDAP_BASE_DN"}}
 deref = never
 scope = subtree
-sieve_ldap_filter = {{getenv "LDAPUSERFILTER"}}
-sieve_ldap_script_attr = {{getenv "LDAPSIEVEATTRIBUTE"}}
+sieve_ldap_filter = {{getenv "LDAP_USER_FILTER"}}
+sieve_ldap_script_attr = {{getenv "LDAP_SIEVE_ATTRIBUTE"}}
 sieve_ldap_mod_attr = modifyTimestamp