diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index a36b0982..feea596b 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -847,7 +847,8 @@ export const usePolygon = () => {
           // innerLine의 type을 polygonLine의 type으로 변경
           if (polygonLine.attributes?.type && innerLine.attributes) {
             // polygonLine.need = false
-            innerLine.attributes = { ...polygonLine.attributes }
+            innerLine.attributes.planeSize = innerLine.attributes.planeSize ?? polygonLine.attributes.planeSize
+            innerLine.attributes.actualSize = innerLine.attributes.actualSize ?? polygonLine.attributes.actualSize
             innerLine.direction = polygonLine.direction
             innerLine.attributes.isStart = true
           }