diff --git a/src/util/canvas-util.js b/src/util/canvas-util.js
index 5955cbce..9420e910 100644
--- a/src/util/canvas-util.js
+++ b/src/util/canvas-util.js
@@ -536,8 +536,8 @@ export function isPointOnLine({ x1, y1, x2, y2 }, { x, y }, epsilon = 2) {
   if (Math.abs(crossProduct) > 1000) return false // 작은 오차 허용
 
   // 점이 선분의 범위 내에 있는지 확인
-  const withinXRange = Math.abs(Math.min(x1, x2) - x) <= 2 || 2 <= Math.abs(Math.max(x1, x2) - x)
-  const withinYRange = Math.abs(Math.min(y1, y2) - y) <= 2 || 2 <= Math.abs(Math.max(y1, y2) - y)
+  const withinXRange = Math.min(x1, x2) - x <= 2 && 2 <= Math.max(x1, x2) - x
+  const withinYRange = Math.min(y1, y2) - y <= 2 && 2 <= Math.max(y1, y2) - y
 
   return withinXRange && withinYRange
 }