diff --git a/reference/configuration/framework.rst b/reference/configuration/framework.rst
index b98d0e9451f..43d5634a05f 100644
--- a/reference/configuration/framework.rst
+++ b/reference/configuration/framework.rst
@@ -818,7 +818,7 @@ to the cookie specification.
 cookie_samesite
 ...............
 
-**type**: ``string`` or ``null`` **default**: ``'lax'``
+**type**: ``string`` or ``null`` **default**: ``null``
 
 . versionadded:: 4.2
     The ``cookie_samesite`` option was introduced in Symfony 4.2.