diff --git a/test/cookies_test.rb b/test/cookies_test.rb
index a8abf6ca..fadab9c9 100644
--- a/test/cookies_test.rb
+++ b/test/cookies_test.rb
@@ -49,7 +49,7 @@ def test_cookies_none_deletes_cookies
   def test_cookie_options
     with_options(cookie_options: {same_site: :lax}) do
       get products_url
-      assert_match /SameSite=Lax/i, set_cookie_header
+      assert_match /samesite=lax/i, set_cookie_header
     end
   end