diff --git a/src/main/scala-2.13+/macrocompat/bundle.scala b/src/main/scala-2.13+/macrocompat/bundle.scala
index 3cc6cde..5949dec 100644
--- a/src/main/scala-2.13+/macrocompat/bundle.scala
+++ b/src/main/scala-2.13+/macrocompat/bundle.scala
@@ -1,3 +1,3 @@
 package macrocompat
 
-class bundle
+class bundle extends scala.annotation.Annotation