diff --git a/packages/element/src/collision.ts b/packages/element/src/collision.ts
index 1c830b6f3c..cfd7cdb04a 100644
--- a/packages/element/src/collision.ts
+++ b/packages/element/src/collision.ts
@@ -287,7 +287,8 @@ const intersectDiamondWithLineSegment = (
     ]
       // Remove duplicates
       .filter(
-        (p, idx, points) => points.findIndex((d) => pointsEqual(p, d)) === idx,
+        (p, idx, points) =>
+          points.findIndex((d) => pointsEqual(p, d, 1e-3)) === idx,
       )
   );
 };