diff --git a/test/components/clipboard_copy_test.rb b/test/components/clipboard_copy_test.rb
index 4b12c5fc21..9b2026e193 100644
--- a/test/components/clipboard_copy_test.rb
+++ b/test/components/clipboard_copy_test.rb
@@ -17,6 +17,7 @@ def test_renders_simple
   def test_requires_aria_label_when_empty
     assert_raises(ArgumentError) do
       render_inline Primer::ClipboardCopy.new(value: "my-branch-name") do
+        nil
       end
     end
   end