diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index a2c8c9aa..7b14b906 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -949,7 +949,8 @@ export const usePolygon = () => {
 
     //polygonLines에서 divideLines를 제거하고 newLines를 추가한다.
     newLines = newLines.filter((line) => !(Math.abs(line.startPoint.x - line.endPoint.x) < 1 && Math.abs(line.startPoint.y - line.endPoint.y) < 1))
-    polygonLines = polygonLines.filter((line) => line.intersections?.length === 0)
+
+    polygonLines = polygonLines.filter((line) => !line.intersections || line.intersections.length === 0)
 
     polygonLines = [...polygonLines, ...newLines]