diff --git a/classes/Language.php b/classes/Language.php
index 744af21a35de2..11dde744e94e3 100644
--- a/classes/Language.php
+++ b/classes/Language.php
@@ -512,7 +512,7 @@ public function delete()
             // Database translations deletion
             $result = Db::getInstance()->executeS('SHOW TABLES FROM `'._DB_NAME_.'`');
             foreach ($result as $row) {
-                if (isset($row['Tables_in_'._DB_NAME_]) && !empty($row['Tables_in_'._DB_NAME_]) && preg_match('/'.preg_quote(_DB_PREFIX_).'_lang/', $row['Tables_in_'._DB_NAME_])) {
+                if (isset($row['Tables_in_'._DB_NAME_]) && !empty($row['Tables_in_'._DB_NAME_]) && preg_match('/'.preg_quote(_DB_PREFIX_).'[a-z_]+_lang/', $row['Tables_in_'._DB_NAME_])) {
                     if (!Db::getInstance()->execute('DELETE FROM `'.$row['Tables_in_'._DB_NAME_].'` WHERE `id_lang` = '.(int)$this->id)) {
                         return false;
                     }