diff --git a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-intermediate-oop-by-building-a-platformer-game/64cb34c01b3d856a9a59261d.md b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-intermediate-oop-by-building-a-platformer-game/64cb34c01b3d856a9a59261d.md
index fed8c1d09b5..2cf84c157fc 100644
--- a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-intermediate-oop-by-building-a-platformer-game/64cb34c01b3d856a9a59261d.md
+++ b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-intermediate-oop-by-building-a-platformer-game/64cb34c01b3d856a9a59261d.md
@@ -32,7 +32,7 @@ assert.match(code, /\s*const\s+checkpoints\s*=\s*checkpointPositions\.map\s*\(\s
 You should implicitly return a new `CheckPoint` instance.
 
 ```js
-assert.match(code, /\s*checkpointPositions\.map\s*\(\s*checkpoint\s*=>\s*new\s+CheckPoint\s*\(\s*checkpoint\.x\s*,\s*checkpoint\.y\s*\)\s*\)\s*;?/);
+assert.match(code, /\s*checkpointPositions\.map\s*\(\s*\(?checkpoint\)?\s*=>\s*new\s+CheckPoint\s*\(\s*checkpoint\.x\s*,\s*checkpoint\.y\s*\)\s*\)\s*;?/);
 ```
 
 # --seed--