diff --git a/Unity/Assets/Scripts/TH1_Logic/Skill/AllSkill/UtsuhoBoneMakerSkill.cs b/Unity/Assets/Scripts/TH1_Logic/Skill/AllSkill/UtsuhoBoneMakerSkill.cs
index a7f9800db..47351ec2e 100644
--- a/Unity/Assets/Scripts/TH1_Logic/Skill/AllSkill/UtsuhoBoneMakerSkill.cs
+++ b/Unity/Assets/Scripts/TH1_Logic/Skill/AllSkill/UtsuhoBoneMakerSkill.cs
@@ -33,15 +33,13 @@ namespace Logic.Skill
             if (!info.IsKill || info.DamageTarget == null || info.DamageTargetGrid == null) return;
             if (!mapData.GetPlayerDataByUnitId(info.DamageOrigin.Id, out var player)) return;
             if (!mapData.GetCapitalCityDataByPlayerId(player.Id, out var capitalCity)) return;
-            var cityGrid = capitalCity?.Grid(mapData);
-            if (cityGrid == null) return;
             
             var fullType = new UnitFullType();
             fullType.UnitType = UnitType.BonePile;
             
             if (!info.DamageTargetGrid.RealUnit(mapData,out var _) && mapData.CheckLandTypeForGrid(fullType, info.DamageTargetGrid))
             {
-                mapData.AddUnitData(cityGrid.Id, capitalCity.Id, fullType, out var bone);
+                mapData.AddUnitData(info.DamageTargetGrid.Id, capitalCity.Id, fullType, out var bone);
                 bone.GetSkill(SkillType.BonePile, out var skill);
                 var bonePile = skill as BonePileSkill;
                 if (bonePile != null)