diff --git a/templates/d8_settings.php.jinja2 b/templates/d8_settings.php.jinja2
index 88fb552d91b09c9a8d2a1645219394026891fe23..acedd4b165e66332a65a76d2102b46eed6602194 100644
--- a/templates/d8_settings.php.jinja2
+++ b/templates/d8_settings.php.jinja2
@@ -14,7 +14,7 @@ $databases = array (
       'charset' => 'utf8mb4',
       'collation' => 'utf8mb4_general_ci',
       'init_commands' => [
-        'tx_level' => "SET TRANSACTION ISOLATION LEVEL READ COMMITTED;",
+        'isolation_level' => 'SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED',
       ],
     ),
   ),
@@ -32,7 +32,7 @@ $databases = array (
       'charset' => 'utf8mb4',
       'collation' => 'utf8mb4_general_ci',
       'init_commands' => [
-        'tx_level' => "SET TRANSACTION ISOLATION LEVEL READ COMMITTED;",
+        'isolation_level' => 'SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED',
       ],
     ),
   ),