diff --git a/app/Http/Controllers/SettingsController.php b/app/Http/Controllers/SettingsController.php
index 1bdab1bab3..d6574f17c8 100755
--- a/app/Http/Controllers/SettingsController.php
+++ b/app/Http/Controllers/SettingsController.php
@@ -942,7 +942,7 @@ class SettingsController extends Controller
             $setting->ldap_lname_field = $request->input('ldap_lname_field');
             $setting->ldap_fname_field = $request->input('ldap_fname_field');
             $setting->ldap_auth_filter_query = $request->input('ldap_auth_filter_query');
-            $setting->ldap_version = $request->input('ldap_version');
+            $setting->ldap_version = $request->input('ldap_version', 3);
             $setting->ldap_active_flag = $request->input('ldap_active_flag');
             $setting->ldap_emp_num = $request->input('ldap_emp_num');
             $setting->ldap_email = $request->input('ldap_email');
diff --git a/app/Models/Ldap.php b/app/Models/Ldap.php
index 14be2fd56b..935270a563 100644
--- a/app/Models/Ldap.php
+++ b/app/Models/Ldap.php
@@ -37,7 +37,7 @@ class Ldap extends Model
     public static function connectToLdap()
     {
         $ldap_host = Setting::getSettings()->ldap_server;
-        $ldap_version = Setting::getSettings()->ldap_version;
+        $ldap_version = Setting::getSettings()->ldap_version ?: 3;
         $ldap_server_cert_ignore = Setting::getSettings()->ldap_server_cert_ignore;
         $ldap_use_tls = Setting::getSettings()->ldap_tls;