diff --git a/src/Symfony/Component/Ldap/LdapClient.php b/src/Symfony/Component/Ldap/LdapClient.php
index e7a0bc45e64d9..06c9ccceaf07f 100644
--- a/src/Symfony/Component/Ldap/LdapClient.php
+++ b/src/Symfony/Component/Ldap/LdapClient.php
@@ -84,8 +84,17 @@ public function find($dn, $query, $filter = '*')
         }
 
         $search = ldap_search($this->connection, $dn, $query, $filter);
+
+        if (false === $search) {
+            throw new LdapException(ldap_error($this->connection));
+        }
+
         $infos = ldap_get_entries($this->connection, $search);
 
+        if (false === @ldap_free_result($search)) {
+            throw new LdapException(ldap_error($this->connection));
+        }
+
         if (0 === $infos['count']) {
             return;
         }