diff --git a/src/util/skeleton-utils.js b/src/util/skeleton-utils.js
index da15751c..c92cea69 100644
--- a/src/util/skeleton-utils.js
+++ b/src/util/skeleton-utils.js
@@ -1003,8 +1003,8 @@ const createInnerLinesFromSkeleton = (roofId, canvas, skeleton, textMode) => {
                   if (isStartEnd.start) {
                     //x1 inside
                     const moveDist = Big(wallLine.x1).minus(wallBaseLine.x1).abs().toNumber()
-                    const aStartY = Big(roofLine.y1).plus(moveDist).abs().toNumber()
-                    const bStartY = Big(wallLine.y1).plus(moveDist).abs().toNumber()
+                    const aStartY = Big(roofLine.y1).plus(moveDist).toNumber()
+                    const bStartY = Big(wallLine.y1).plus(moveDist).toNumber()
                     const inLine = findLineContainingPoint(innerLines, { y: aStartY, x: roofLine.x1 })
                     console.log('startLines:::::::', inLine)
                     const eLineY = Big(bStartY).minus(wallLine.y1).abs().toNumber()