diff --git a/test/requirejs-rails_test.rb b/test/requirejs-rails_test.rb
index 1ffe16ee..62a7baf8 100644
--- a/test/requirejs-rails_test.rb
+++ b/test/requirejs-rails_test.rb
@@ -133,6 +133,7 @@ def wrap(tag)
     render text: wrap(requirejs_include_tag("application"))
 
     assert_select "script:first-of-type[src=\"/javascripts/require.js\"]", count: 1
+    assert_select "script:last-of-type[data-main]", count: 1
   end
 
   test "requirejs_include_tag_with_block" do