--- a/src/PrestaShopBundle/Install/Install.php
+++ b/src/PrestaShopBundle/Install/Install.php
@@ -1202,7 +1202,7 @@ class Install extends AbstractInstall
     {
-        $adminFolder = 'admin-dev';
+        $adminFolder = getenv('PS_FOLDER_ADMIN') ?: 'admin-dev';
 
         // If we need, we generate a random name for admin folder (for security purpose!)
         if (file_exists(_PS_ROOT_DIR_ . '/admin/')) {