diff --git a/ldap_locks.py b/ldap_locks.py
index 7335d9a..8494de6 100644
--- a/ldap_locks.py
+++ b/ldap_locks.py
@@ -140,8 +140,10 @@ class LdapLockHolder:
 
         dn = "%s=%s,%s" % (item, value, LOCKS_DN)
         lockid = "%s-%s-%s" % (self.host, self.pid, time.time())
+        lockv = "lc_ldap_201308"
         modlist = ldap.modlist.addModlist({'objectClass' : 'lock',
                                            'lockid' : lockid,
+                                           'lockv' : lockv,
                                            item : value})
 
         try: