diff --git a/Assets/Scripts/Enemies' Scprits/Cave/BossThug.cs b/Assets/Scripts/Enemies' Scprits/Cave/BossThug.cs
index b446bb17..2028b85e 100644
--- a/Assets/Scripts/Enemies' Scprits/Cave/BossThug.cs	
+++ b/Assets/Scripts/Enemies' Scprits/Cave/BossThug.cs	
@@ -91,7 +91,7 @@ public class BossThug : MonoBehaviour
     private void ActivateKillingMode()
     {
         // set lower radious in order to less attack distance
-        gameObject.GetComponent<CircleCollider2D>().radius = 1f;
+        gameObject.GetComponent<CircleCollider2D>().radius = 0.4f;
         Debug.Log(gameObject.GetComponent<CircleCollider2D>().radius);
 
         gameObject.GetComponent<FollowingEnemy>().enabled=true;