diff --git a/Assets/Scripts/PlacementSystem/SlotManager.cs b/Assets/Scripts/PlacementSystem/SlotManager.cs
index d206d21..353576a 100644
--- a/Assets/Scripts/PlacementSystem/SlotManager.cs
+++ b/Assets/Scripts/PlacementSystem/SlotManager.cs
@@ -11,7 +11,7 @@ public class SlotManager : MonoBehaviour
 
     public HealthComponent TowerHealth;
 
-    public bool IsOccupied => TowerHealth.TryGetComponent(out HealthComponent _);
+    public bool IsOccupied => TowerHealth != null && TowerHealth.TryGetComponent(out HealthComponent _);
 
     public Transform TowerSpawnPoint;