diff --git a/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs b/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
index d312f64b2..31e1490d6 100644
--- a/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
+++ b/Source/Editor/CustomEditors/Dedicated/ActorEditor.cs
@@ -203,7 +203,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 //Presenter.BuildLayoutOnUpdate();
 
                 // Better way is to just update the reference value using the new default instance of the prefab, created after changes apply
-                if (Values != null && prefab && !prefab.WaitForLoaded())
+                if (Values != null && (Actor)Values[0] && prefab && !prefab.WaitForLoaded())
                 {
                     var actor = (Actor)Values[0];
                     var prefabObjectId = actor.PrefabObjectID;