diff --git a/conversion_helpers.go b/conversion_helpers.go
index 74e7969..4ba5ef3 100644
--- a/conversion_helpers.go
+++ b/conversion_helpers.go
@@ -190,7 +190,7 @@ func taskTTL(task *asynq.TaskInfo) time.Duration {
 	if task.State != asynq.TaskStateCompleted {
 		return 0 // N/A
 	}
-	return task.CompletedAt.Add(task.ResultTTL).Sub(time.Now())
+	return task.CompletedAt.Add(task.Retention).Sub(time.Now())
 }
 
 // formatTimeInRFC3339 formats t in RFC3339 if the value is non-zero.