diff --git a/openldap.spec b/openldap.spec
index a8ec176..830e673 100644
--- a/openldap.spec
+++ b/openldap.spec
@@ -549,6 +549,7 @@ exit 0
 - remove openldap-userconfig-setgid.patch
 - remove openldap-syncrepl-unset-tls-options.patch
 - remove unneeded configure flags, disable sql backend and aci
+- make mdb default after a new installation
 
 * Wed Dec 17 2014 Jan Synáček <jsynacek@redhat.com> - 2.4.40-5
 - harden the build
diff --git a/slapd.ldif b/slapd.ldif
index 9ce13ea..028c5f1 100644
--- a/slapd.ldif
+++ b/slapd.ldif
@@ -136,10 +136,10 @@ olcAccess: to * by dn.base="gidNumber=0+uidNumber=0,cn=peercred,cn=external,c
 # Backend database definitions
 #
 
-dn: olcDatabase=hdb,cn=config
+dn: olcDatabase=mdb,cn=config
 objectClass: olcDatabaseConfig
-objectClass: olcHdbConfig
-olcDatabase: hdb
+objectClass: olcMdbConfig
+olcDatabase: mdb
 olcSuffix: dc=my-domain,dc=com
 olcRootDN: cn=Manager,dc=my-domain,dc=com
 olcDbDirectory:	/var/lib/ldap