diff --git a/Engine.Core/HierarchyObject.cs b/Engine.Core/HierarchyObject.cs
index 93dab51..f6f9380 100644
--- a/Engine.Core/HierarchyObject.cs
+++ b/Engine.Core/HierarchyObject.cs
@@ -70,7 +70,10 @@ public class HierarchyObject : BaseEntity, IHierarchyObject
 
     public void SetParent(IHierarchyObject? parent)
     {
-        if (parent == this || Parent == parent)
+        if (parent == this)
+            throw new Exceptions.AssignException($"{Name} can not parent itself");
+
+        if (Parent == parent)
             return;
 
         IHierarchyObject? previousParent = Parent;