diff --git a/Assets/Scripts/UnitTree/DeselectManager.cs b/Assets/Scripts/UnitTree/DeselectManager.cs
index 496ad5a..ed780f0 100644
--- a/Assets/Scripts/UnitTree/DeselectManager.cs
+++ b/Assets/Scripts/UnitTree/DeselectManager.cs
@@ -8,23 +8,20 @@ public class DeselectManager : SingletonBehaviour<DeselectManager>
 
     private void Update()
     {
-        if (Input.GetMouseButton(0))
+        if (Input.GetMouseButton(0) && _allyUpgrade != null)
         {
             // Verifie var si click est sur un enfant d'AllyUpgrade
 
             GameObject selectedObject = UnityEngine.EventSystems.EventSystem.current.currentSelectedGameObject;
-            if (selectedObject != null && _allyUpgrade != null && selectedObject.transform.IsChildOf(_allyUpgrade.transform))
+            if (selectedObject != null && selectedObject.transform.IsChildOf(_allyUpgrade.transform))
             {
                 return;
             }
             else
             {
                 Debug.Log("Called to deselect from Observer");
-                if (_allyUpgrade != null)
-                {
-                    Destroy(_allyUpgrade);
-                    _allyUpgrade = null;
-                }
+                Destroy(_allyUpgrade);
+                _allyUpgrade = null;
             }
         }
     }