diff --git a/src/hooks/roofcover/useAuxiliaryDrawing.js b/src/hooks/roofcover/useAuxiliaryDrawing.js
index 82c47447..d66014f8 100644
--- a/src/hooks/roofcover/useAuxiliaryDrawing.js
+++ b/src/hooks/roofcover/useAuxiliaryDrawing.js
@@ -722,7 +722,7 @@ export function useAuxiliaryDrawing(id, isUseEffect = true) {
         const distance1 = distanceBetweenPoints({ x: line1.x1, y: line1.y1 }, intersectionPoint)
         const distance2 = distanceBetweenPoints({ x: line1.x2, y: line1.y2 }, intersectionPoint)
 
-        if (distance1 === 0 || distance2 === 0) {
+        if (distance1 < 1 || distance2 < 1) {
           return
         }
         //historyLine에서 기존 line을 제거한다.