diff --git a/Packages/nadena.dev.modular-avatar/Editor/AnimatorMerger.cs b/Packages/nadena.dev.modular-avatar/Editor/AnimatorMerger.cs
index 46f98330..3feb079e 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/AnimatorMerger.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/AnimatorMerger.cs
@@ -240,7 +240,7 @@ namespace nadena.dev.modular_avatar.core.editor
                 case AnimatorController _:
                 case AnimatorState _:
                 case AnimatorStateMachine _:
-                case AnimatorStateTransition _:
+                case AnimatorTransitionBase _:
                 case StateMachineBehaviour _:
                     break; // We want to clone these types