diff --git a/src/main/scala/mylib/MyTopLevel.scala b/src/main/scala/mylib/MyTopLevel.scala
index a1c3a71..bda00e5 100644
--- a/src/main/scala/mylib/MyTopLevel.scala
+++ b/src/main/scala/mylib/MyTopLevel.scala
@@ -3,7 +3,7 @@ package mylib
 import spinal.core._
 
 // Hardware definition
-class MyTopLevel extends Component {
+case class MyTopLevel() extends Component {
   val io = new Bundle {
     val cond0 = in  Bool()
     val cond1 = in  Bool()