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diff --git a/Assets/_CompletedAssets/Scenes/LevelBoss.unity b/Assets/_CompletedAssets/Scenes/LevelBoss.unity
index 370c53de5700523eeb268a4225190ebe3d5a0d78..eae49c4d24323dd54ec2b567b6a6b1a35bbef79c 100644
--- a/Assets/_CompletedAssets/Scenes/LevelBoss.unity
+++ b/Assets/_CompletedAssets/Scenes/LevelBoss.unity
@@ -3024,55 +3024,99 @@ RectTransform:
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diff --git a/Assets/_CompletedAssets/Scripts/Managers/StatisticManager.cs b/Assets/_CompletedAssets/Scripts/Managers/StatisticManager.cs
index ce3cdf299376bb8c5d0f4eca3492b3c9b2e218f6..cecfc90be0f8ea22de7541759c0c35335a6c4a36 100644
--- a/Assets/_CompletedAssets/Scripts/Managers/StatisticManager.cs
+++ b/Assets/_CompletedAssets/Scripts/Managers/StatisticManager.cs
@@ -34,7 +34,13 @@ public class StatisticManager : MonoBehaviour
 
     public void UpdateData()
     {
-        shootAccuracy = (shootAccuracy + ((float) weapons.GetHitCount() / weapons.GetTotalShootCount())) / 2;
+        float accuracy = (float) weapons.GetHitCount() / weapons.GetTotalShootCount();
+        if (float.IsNaN(accuracy))
+        {
+            accuracy = 0f;
+        }
+
+        shootAccuracy = (shootAccuracy + accuracy) / 2;
         distanceTravelled = distanceTravelled + playerMovement.GetDistanceTravelled();
         playTime = playTime + sceneStopwatch.GetElapsedTime();
         enemiesKilled = enemiesKilled + EnemyHealth.deathCount;