diff --git a/tanks-backend/TanksServer/GameLogic/CollideBullets.cs b/tanks-backend/TanksServer/GameLogic/CollideBullets.cs
index b045bb6..1ec17cf 100644
--- a/tanks-backend/TanksServer/GameLogic/CollideBullets.cs
+++ b/tanks-backend/TanksServer/GameLogic/CollideBullets.cs
@@ -76,11 +76,8 @@ internal sealed class CollideBullets(
         for (var y = pixel.Y - i; y <= pixel.Y + i; y++)
         {
             var offsetPixel = new PixelPosition(x, y);
-            if (options.Value.DestructibleWalls)
-            {
-                map.Current.DestroyWallAt(offsetPixel);
+            if (options.Value.DestructibleWalls && map.Current.TryDestroyWallAt(offsetPixel))
                 owner.Scores.WallsDestroyed++;
-            }
 
             TryHitTankAt(offsetPixel.ToFloatPosition(), owner);
         }
diff --git a/tanks-backend/TanksServer/GameLogic/MapService.cs b/tanks-backend/TanksServer/GameLogic/MapService.cs
index ecfb252..82b0344 100644
--- a/tanks-backend/TanksServer/GameLogic/MapService.cs
+++ b/tanks-backend/TanksServer/GameLogic/MapService.cs
@@ -104,5 +104,11 @@ internal sealed class Map(string name, bool[,] walls)
         return false;
     }
 
-    public void DestroyWallAt(PixelPosition pixel) => walls[pixel.X, pixel.Y] = false;
+    public bool TryDestroyWallAt(PixelPosition pixel)
+    {
+        var result = walls[pixel.X, pixel.Y];
+        if (result)
+            walls[pixel.X, pixel.Y] = false;
+        return result;
+    }
 }