diff --git a/test/built-ins/Temporal/PlainDate/prototype/since/largestunit-higher-units.js b/test/built-ins/Temporal/PlainDate/prototype/since/largestunit-higher-units.js
index c1d8068ee4..66c2e7fbc5 100644
--- a/test/built-ins/Temporal/PlainDate/prototype/since/largestunit-higher-units.js
+++ b/test/built-ins/Temporal/PlainDate/prototype/since/largestunit-higher-units.js
@@ -21,6 +21,6 @@ TemporalHelpers.assertDuration(feb21.since(feb20, { largestUnit: "weeks" }), 0,
 
 const lastFeb20 = Temporal.PlainDate.from("2020-02-29");
 const lastFeb21 = Temporal.PlainDate.from("2021-02-28");
-TemporalHelpers.assertDuration(lastFeb21.since(lastFeb20, { largestUnit: "years" }), 0, /* months = */ 11, 0, /* days = */ 28, 0, 0, 0, 0, 0, 0, 0, "end of February, years");
-TemporalHelpers.assertDuration(lastFeb21.since(lastFeb20, { largestUnit: "months" }), 0, /* months = */ 11, 0, /* days = */ 28, 0, 0, 0, 0, 0, 0, "end of February, months");
+TemporalHelpers.assertDuration(lastFeb21.since(lastFeb20, { largestUnit: "years" }), /* years = */ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "end of February, years");
+TemporalHelpers.assertDuration(lastFeb21.since(lastFeb20, { largestUnit: "months" }), 0, /* months = */ 12, 0, 0, 0, 0, 0, 0, 0, 0, "end of February, months");
 TemporalHelpers.assertDuration(lastFeb21.since(lastFeb20, { largestUnit: "weeks" }), 0, 0, /* weeks = */ 52, /* days = */ 1, 0, 0, 0, 0, 0, 0, "end of February, weeks");