diff --git a/paperio/local_runner/helpers.py b/paperio/local_runner/helpers.py
index ad3008b..5c4a411 100644
--- a/paperio/local_runner/helpers.py
+++ b/paperio/local_runner/helpers.py
@@ -197,4 +197,4 @@ def get_random_coordinates():
 def is_intersect(p1, p2, width=WIDTH):
     x1, y1 = p1
     x2, y2 = p2
-    return abs(x1 - x2) < width and abs(y1 - y2) < width
+    return abs(x1 - x2) + abs(y1 - y2) < width