diff --git a/aux/btest b/aux/btest
index 9d4e7c1d7b..e83c5f6e02 160000
--- a/aux/btest
+++ b/aux/btest
@@ -1 +1 @@
-Subproject commit 9d4e7c1d7bba8dd53d16ff4b4076690c0af4a2f0
+Subproject commit e83c5f6e02d6294747941d7a09f2dc327e8ab646