diff --git a/templates/settings.docker.php.twig b/templates/settings.docker.php.twig
index 2efc0c9c3550798936500cc2b66d38967c2e3df1..963a682e6ed614cbef4d22d8aeccc09f39b6f88d 100644
--- a/templates/settings.docker.php.twig
+++ b/templates/settings.docker.php.twig
@@ -26,7 +26,7 @@ $databases = array(
       'port' => '3306',
       'prefix' => '',
       'init_commands' => [
-        'tx_level' => "SET TRANSACTION ISOLATION LEVEL READ COMMITTED;",
+        'isolation_level' => 'SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED',
       ],
     ),
   ),