diff --git a/src/includes/class/class.LSldap.php b/src/includes/class/class.LSldap.php
index 31c84627..6dbd8216 100644
--- a/src/includes/class/class.LSldap.php
+++ b/src/includes/class/class.LSldap.php
@@ -849,20 +849,22 @@ class LSldap extends LSlog_staticLoggerClass {
     $ctrlRequest = array(array('oid' => LDAP_CONTROL_PASSWORDPOLICYREQUEST));
     $r = ldap_mod_replace_ext($ldap, $dn, $changes, $ctrlRequest);
     if ($r && ldap_parse_result($ldap, $r, $errcode, $matcheddn, $errmsg, $ref, $ctrlResponse)) {
-      if ($errcode !== 0 && isset($ctrlResponse[LDAP_CONTROL_PASSWORDPOLICYRESPONSE])) {
+      if ($errcode !== 0) {
+        $error = (
+          isset($ctrlResponse[LDAP_CONTROL_PASSWORDPOLICYRESPONSE])?
+          $ppolicyErrorMsg[
+            $ctrlResponse[LDAP_CONTROL_PASSWORDPOLICYRESPONSE]['value']['error']
+          ]:
+          _("Unknown error")
+        );
         self :: fireEvent(
           'user_password_update_failure',
           array(
             'object_type' => $object_type, 'dn' => $dn,
-            'error' => $ppolicyErrorMsg[
-              $ctrlResponse[LDAP_CONTROL_PASSWORDPOLICYRESPONSE]['value']['error']
-            ]
+            'error' => $error,
           )
         );
-        LSerror :: addErrorCode(
-          'LSldap_10',
-          $ppolicyErrorMsg[$ctrlResponse[LDAP_CONTROL_PASSWORDPOLICYRESPONSE]['value']['error']]
-        );
+        LSerror :: addErrorCode('LSldap_10', $error);
         return false;
       }
       // Password updated