diff --git a/OngekiFumenEditor/Modules/FumenObjectPropertyBrowser/ViewModels/DropActions/AddLaneCurvePathControlDropAction.cs b/OngekiFumenEditor/Modules/FumenObjectPropertyBrowser/ViewModels/DropActions/AddLaneCurvePathControlDropAction.cs
index ed2a9668..a27d1701 100644
--- a/OngekiFumenEditor/Modules/FumenObjectPropertyBrowser/ViewModels/DropActions/AddLaneCurvePathControlDropAction.cs
+++ b/OngekiFumenEditor/Modules/FumenObjectPropertyBrowser/ViewModels/DropActions/AddLaneCurvePathControlDropAction.cs
@@ -25,15 +25,12 @@ public void Drop(FumenVisualEditorViewModel editor, Point dragEndPoint)
             if (!editor.CheckAndNotifyIfPlaceBeyondDuration(dragEndPoint))
                 return;
 
-            var dragTGrid = TGridCalculator.ConvertYToTGrid_DesignMode(dragEndPoint.Y, editor);
-            var dragXGrid = XGridCalculator.ConvertXToXGrid(dragEndPoint.X, editor);
             var isFirst = true;
 
             editor.UndoRedoManager.ExecuteAction(LambdaUndoAction.Create(Resources.AddCurveControlPoint, () =>
             {
-                cachePathControl.TGrid = dragTGrid;
-                cachePathControl.XGrid = dragXGrid;
                 curveObject.AddControlObject(cachePathControl);
+                editor.MoveObjectTo(cachePathControl, dragEndPoint);
                 if (isFirst)
                 {
                     editor.NotifyObjectClicked(cachePathControl);
diff --git a/OngekiFumenEditor/Modules/FumenVisualEditor/ViewModels/FumenVisualEditorViewModel.UserInteractionActions.cs b/OngekiFumenEditor/Modules/FumenVisualEditor/ViewModels/FumenVisualEditorViewModel.UserInteractionActions.cs
index 1a07221f..ef37d32b 100644
--- a/OngekiFumenEditor/Modules/FumenVisualEditor/ViewModels/FumenVisualEditorViewModel.UserInteractionActions.cs
+++ b/OngekiFumenEditor/Modules/FumenVisualEditor/ViewModels/FumenVisualEditorViewModel.UserInteractionActions.cs
@@ -886,15 +886,12 @@ private void ProcessAsAddCurve(ConnectableChildObjectBase child, Point position)
                 return;
 
             var curvePoint = new LaneCurvePathControlObject();
-            var dragTGrid = TGridCalculator.ConvertYToTGrid_DesignMode(position.Y, this);
-            var dragXGrid = XGridCalculator.ConvertXToXGrid(position.X, this);
             var isFirst = true;
 
             UndoRedoManager.ExecuteAction(LambdaUndoAction.Create(Resources.AddCurveControlPoint, () =>
             {
-                curvePoint.TGrid = dragTGrid;
-                curvePoint.XGrid = dragXGrid;
                 child.AddControlObject(curvePoint);
+                MoveObjectTo(curvePoint, position);
                 if (isFirst)
                 {
                     NotifyObjectClicked(curvePoint);