diff --git a/better-curry/better-curry-tests.ts b/better-curry/better-curry-tests.ts
index 15213d58b..ba95326f5 100644
--- a/better-curry/better-curry-tests.ts
+++ b/better-curry/better-curry-tests.ts
@@ -22,4 +22,6 @@ var delegate = bc.delegate({}, 'ok');
 delegate.access('ok') === delegate;
 delegate.getter('getter').setter('setter') === delegate;
 delegate.all(['1','2']);
-delegate.revoke('adsf').access('asdf');
\ No newline at end of file
+delegate.revoke('adsf').access('asdf');
+
+BetterCurry.wrap(fn2, {}, -1, false).__length === 10;
\ No newline at end of file