diff --git a/Assets/Scripts/Manager/GameManager.cs b/Assets/Scripts/Manager/GameManager.cs
index fe729ef..e3c5bf7 100644
--- a/Assets/Scripts/Manager/GameManager.cs
+++ b/Assets/Scripts/Manager/GameManager.cs
@@ -7,8 +7,9 @@ public class GameManager : MonoBehaviour
     public static GameManager Instance;
 
     public bool IsBuildMode = false;
+    public Tower SelectedTower;
 
-    private void Start()
+    private void Awake()
     {
         if (Instance != this)
             Destroy(Instance);