diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 5eaa231468d..36aa2e2164b 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -567,7 +567,7 @@ LDAPLdapMapping=LDAP Mapping
 LDAPFieldLoginUnix=Login (unix)
 LDAPFieldLoginExample=Example : uid
 LDAPFilterConnection=Search filter
-LDAPFilterConnectionExample=Example : (&(objectClass=user)(objectCategory=person))
+LDAPFilterConnectionExample=Example : &(objectClass=user)(objectCategory=person)
 LDAPFieldLoginSamba=Login (samba, activedirectory)
 LDAPFieldLoginSambaExample=Example : samaccountname
 LDAPFieldFullname=Firstname Name
diff --git a/htdocs/langs/fr_FR/admin.lang b/htdocs/langs/fr_FR/admin.lang
index 93912cbfe32..08f29d2342d 100644
--- a/htdocs/langs/fr_FR/admin.lang
+++ b/htdocs/langs/fr_FR/admin.lang
@@ -567,7 +567,7 @@ LDAPLdapMapping=Mapping LDAP
 LDAPFieldLoginUnix=Login (unix)
 LDAPFieldLoginExample=Exemple : uid
 LDAPFilterConnection=Filtre de recherche
-LDAPFilterConnectionExample=Exemple : (&(objectClass=user)(objectCategory=person))
+LDAPFilterConnectionExample=Exemple : &(objectClass=user)(objectCategory=person)
 LDAPFieldLoginSamba=Login (samba, activedirectory)
 LDAPFieldLoginSambaExample=Exemple : samaccountname
 LDAPFieldFullname=Prénom Nom
diff --git a/htdocs/lib/ldap.class.php b/htdocs/lib/ldap.class.php
index 130773659d5..1a413468cbf 100644
--- a/htdocs/lib/ldap.class.php
+++ b/htdocs/lib/ldap.class.php
@@ -733,7 +733,7 @@ class Ldap
         //permet de choisir le filtre adequat
         if ($activefilter == 1)
         {
-        	$filter = $this->filter;
+        	$filter = '('.$this->filter.')';
         }
         else
         {