diff --git a/js/src/jit-test/tests/basic/destructuring-iterator.js b/js/src/jit-test/tests/basic/destructuring-iterator.js
index f9e68f9299eb..ca6593024280 100644
--- a/js/src/jit-test/tests/basic/destructuring-iterator.js
+++ b/js/src/jit-test/tests/basic/destructuring-iterator.js
@@ -39,10 +39,10 @@ function assertIterable(expectCalls, fn, expectResult) {
 assertIterable([1,1,1,1],
   it => { var [a] = it; return [a]; },
   [1]);
-assertIterable([3,3,1,1],
+assertIterable([2,2,1,1],
   it => { var [a,b,c] = it; return [a,b,c]; },
   [1,undefined,undefined]);
-assertIterable([3,3,1,1],
+assertIterable([2,2,1,1],
   it => { var [a,b,...rest] = it; return [a,b,...rest]; },
   [1,undefined]);
 assertIterable([5,5,4,4],