diff --git a/slapd.conf.example b/slapd.conf.example
index 7fa15c7..0e81538 100644
--- a/slapd.conf.example
+++ b/slapd.conf.example
@@ -43,9 +43,9 @@ loglevel stats
 # The following backends are statically built-in and therefore don't have
 # to be loaded here:
 # config, ldif, monitor, bdb, hdb, ldap, mdb, relay
-#moduleload back_
-#moduleload back_
-#moduleload back_mdb
+#moduleload back_bdb
+#moduleload back_hdb
+moduleload back_mdb
 #moduleload back_meta
 #moduleload back_sock