diff --git a/sql/install.php b/sql/install.php
index de4312e6..f6835e97 100755
--- a/sql/install.php
+++ b/sql/install.php
@@ -48,12 +48,10 @@
         `date_add` datetime NOT NULL,
         `date_upd` datetime NOT NULL,
         PRIMARY KEY (`id_gdpr_log`),
-        INDEX (`id_customer`)
+        INDEX (`id_customer`),
+        INDEX `idx_id_customer` ( `id_customer`, `id_guest`, `client_name`, `id_module`, `date_add`, `date_upd`)
         ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=UTF8;';
 
-$sql[] = ' ALTER TABLE `' . _DB_PREFIX_ . 'psgdpr_log` 
-        ADD INDEX `idx_id_customer` ( `id_customer`, `id_guest`, `client_name`, `id_module`, `date_add`, `date_upd`); ';
-
 foreach ($sql as $query) {
     if (Db::getInstance()->execute($query) == false) {
         return false;