diff --git a/modules/backend/models/BackendPreferences.php b/modules/backend/models/BackendPreferences.php
index b4f5af0cd..9e2acfb6d 100644
--- a/modules/backend/models/BackendPreferences.php
+++ b/modules/backend/models/BackendPreferences.php
@@ -56,7 +56,7 @@ class BackendPreferences extends Model
             'tr' => [Lang::get('system::lang.locale.tr'), 'flag-tr'],
             'pl' => [Lang::get('system::lang.locale.pl'), 'flag-pl'],
             'sk' => [Lang::get('system::lang.locale.sk'), 'flag-sk'],
-            'zh-cn' => [Lang::get('system::lang.locale.zh-cn'), 'flag-cn']
+            'zh-cn' => [Lang::get('system::lang.locale.zh-cn'), 'flag-cn'],
             'nb-no' => [Lang::get('system::lang.locale.nb-no'), 'flag-no'],
         ];