diff --git a/ldap-demo/bootstrap/ldif/optimize-index.ldif b/ldap-demo/bootstrap/ldif/optimize-index.ldif
index 0cf466b..1b96c73 100644
--- a/ldap-demo/bootstrap/ldif/optimize-index.ldif
+++ b/ldap-demo/bootstrap/ldif/optimize-index.ldif
@@ -1,4 +1,4 @@
-dn: olcDatabase={1}hdb,cn=config
+dn: olcDatabase={1}mdb,cn=config
 changetype: modify
 add: olcDbIndex
 olcDbIndex: cn eq