diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index 69eb955c..6030f43f 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -1820,7 +1820,13 @@ export function useMode() {
             x: xDiff.eq(0) ? offsetCurrentPoint.x : nextWall.x1,
             y: yDiff.eq(0) ? offsetCurrentPoint.y : nextWall.y1,
           }
-          const diffOffset = Big(nextWall.attributes.offset).minus(Big(currentWall.attributes.offset))
+          let diffOffset
+          if (nextWall.index > currentWall.index) {
+            diffOffset = Big(nextWall.attributes.offset).minus(Big(currentWall.attributes.offset)).abs()
+          } else {
+            diffOffset = Big(currentWall.attributes.offset).minus(Big(nextWall.attributes.offset))
+          }
+
           const offsetPoint2 = {
             x: yDiff.eq(0) ? offsetPoint1.x : Big(offsetPoint1.x).plus(diffOffset).toNumber(),
             y: xDiff.eq(0) ? offsetPoint1.y : Big(offsetPoint1.y).plus(diffOffset).toNumber(),