diff --git a/test/kernel/async.rb b/test/kernel/async.rb
index 52f78d22..c59b9c50 100644
--- a/test/kernel/async.rb
+++ b/test/kernel/async.rb
@@ -17,6 +17,10 @@
 			Async(transient: true) do |task|
 				expect(task).to be(:transient?)
 			end
+
+			Async(annotation: 'foobar') do |task|
+				expect(task.annotation).to be == 'foobar'
+			end
 		end
 	end
 end