diff --git a/lc_ldap.py b/lc_ldap.py
index 19d6845..f601c7a 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -594,7 +594,7 @@ class CransLdapObject(object):
 
         import datetime
         file="%s %s" % (datetime.datetime.now(), self.dn)
-        f = open('/home/cimetiere_lc/%s/%s' % (self['objectClass'][0],file), 'w')
+        f = open('/home/cimetiere_lc/%s/%s' % (self['objectClass'][0],file.replace(' ','_')), 'w')
         f.write(ldif.encode("UTF-8"))
         f.close()