diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 3e6adaab..2c9e43ad 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -873,7 +873,7 @@ export const useTrestle = () => {
       }
       case 'east': {
         widthArr.forEach((w) => {
-          topRightPoint = { x: x + w, y: y + height / 2 }
+          topRightPoint = { x: x - w, y: y - height / 2 }
           if (result) return
           result = centerPoints.find(
             (centerPoint) => Math.abs(centerPoint.x - topRightPoint.x) < maxX && Math.abs(centerPoint.y - topRightPoint.y) < maxY,
@@ -883,7 +883,7 @@ export const useTrestle = () => {
       }
       case 'west': {
         widthArr.forEach((w) => {
-          topRightPoint = { x: x - w, y: y - height / 2 }
+          topRightPoint = { x: x + w, y: y + height / 2 }
           if (result) return
           result = centerPoints.find(
             (centerPoint) => Math.abs(centerPoint.x - topRightPoint.x) < maxX && Math.abs(centerPoint.y - topRightPoint.y) < maxY,