diff --git a/patches.d/scribe-backend.patch b/patches.d/scribe-backend.patch
index f4878f6..a0e43d2 100644
--- a/patches.d/scribe-backend.patch
+++ b/patches.d/scribe-backend.patch
@@ -298,7 +298,7 @@ index 45ec338..0ec3129 100644
  else:
      raise Exception('Unknown mode')
 diff --git usr/lib/python3/dist-packages/scribe/eoleuser.py usr/lib/python3/dist-packages/scribe/eoleuser.py
-index 05569fd..b78c2e1 100644
+index 05569fd..f8b4ab3 100644
 --- usr/lib/python3/dist-packages/scribe/eoleuser.py
 +++ usr/lib/python3/dist-packages/scribe/eoleuser.py
 @@ -361,25 +361,27 @@ class User(LdapEntry):
@@ -394,7 +394,7 @@ index 05569fd..b78c2e1 100644
          self._set_attr(login, 'LastUpdate', tool.format_current_date())
  
      def _get_ead_type(self, login):
-@@ -850,20 +864,27 @@ class User(LdapEntry):
+@@ -850,22 +864,27 @@ class User(LdapEntry):
              return num_etab
  
      def get_user_dn(self, login, force_etab=None):
@@ -405,23 +405,28 @@ index 05569fd..b78c2e1 100644
                                                        "(&%s(uid=%s))" % (USER_FILTER, login), ['cn'])
              if data[0][0]:
                  return data[0][0]
+-        if force_etab is None:
+-            etab = self.get_etab(login)
+-        else:
+-            etab = force_etab
+-        return USER_DN % dict(uid=login, _type=self._type, etab=etab)
 +        elif LDAP_MODE == 'openldap':
-+            if self.ldap_admin.connexion is None:
-+                self.ldap_admin.connect()
-+            data = self.ldap_admin.connexion.search_s(SUFFIX, SCOPE_SUBTREE,
-+                                                      "(&%s(uid=%s))" % (USER_FILTER, login), ['cn'])
-+            if data[0][0]:
-+                return data[0][0]
-         if force_etab is None:
-             etab = self.get_etab(login)
-         else:
-             etab = force_etab
-         return USER_DN % dict(uid=login, _type=self._type, etab=etab)
++            if force_etab is None:
++                if self.ldap_admin.connexion is None:
++                    self.ldap_admin.connect()
++                data = self.ldap_admin.connexion.search_s(SUFFIX, SCOPE_SUBTREE,
++                                                          "(&%s(uid=%s))" % (USER_FILTER, login), ['cn'])
++                if data[0][0]:
++                    return data[0][0]
++            else:
++                return USER_DN % dict(uid=login, _type=self._type, etab=force_etab)
  
  class Machine(User):
      """
          classe pour les comptes machine
      """
+     pass
+ 
 diff --git usr/lib/python3/dist-packages/scribe/importation/writer.py usr/lib/python3/dist-packages/scribe/importation/writer.py
 index 34ce0fb..c61f65b 100644
 --- usr/lib/python3/dist-packages/scribe/importation/writer.py