diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index f4dedb0c81..a9fa2298b7 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -1088,7 +1088,7 @@ class AssetTagHelperTest < ActionView::TestCase
     ENV["RAILS_ASSET_ID"] = ""
 
     assert_dom_equal(
-      %(<link href="/stylesheets/all.css" media="screen" rel="stylesheet" />),
+      %(<link type="text/css" href="/stylesheets/all.css" media="screen" rel="stylesheet" />),
       stylesheet_link_tag("/foo/baz", :cache => true)
     )