diff --git a/lc_ldap.py b/lc_ldap.py
index 0859617..3ed6a59 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -317,7 +317,9 @@ class CransLdapObject(object):
             new_vals = [new_vals]
 
         # On attrify
-        new_vals = [ attrify(val, attr, self._modifs) for val in new_vals ]
+        cldif = self.attrs.copy()
+        cldif[attr] = new_vals
+        new_vals = [ attrify(val, attr, cldif) for val in new_vals ]
 
         # Si ça passe, on effectue les modifications
         old_vals = [ str(val) for val in self.attrs.get(attr, []) ]