diff --git a/test/built-ins/Map/iterable-calls-set.js b/test/built-ins/Map/iterable-calls-set.js
index 3b512eb4b1..6da60e9884 100644
--- a/test/built-ins/Map/iterable-calls-set.js
+++ b/test/built-ins/Map/iterable-calls-set.js
@@ -36,7 +36,7 @@ var map = new Map(iterable);
 
 assert.sameValue(counter, 2, "`Map.prototype.set` called twice.");
 
-assert(compareArray(results[0], iterable[0]));
-assert(compareArray(results[1], iterable[1]));
+assert.compareArray(results[0], iterable[0]);
+assert.compareArray(results[1], iterable[1]);
 assert.sameValue(_this[0], map);
 assert.sameValue(_this[1], map);