diff --git a/Engine.Core/BehaviourCollector.cs b/Engine.Core/BehaviourCollector.cs
index a0661df..bd6e562 100644
--- a/Engine.Core/BehaviourCollector.cs
+++ b/Engine.Core/BehaviourCollector.cs
@@ -28,6 +28,9 @@ public class BehaviourCollector<T> : IAssignableGameManager, IEnumerable<T>
     {
         gameObject.BehaviourController.OnBehaviourAdded += OnBehaviourAdded;
         gameObject.BehaviourController.OnBehaviourRemoved += OnBehaviourRemoved;
+
+        foreach (IBehaviour item in gameObject.BehaviourController)
+            OnBehaviourAdded(gameObject.BehaviourController, item);
     }
 
     private void OnGameObjectUnregistered(IGameManager manager, IGameObject gameObject)