diff --git a/aux/btest b/aux/btest
index 1beef5bdfc..2c47f028b5 160000
--- a/aux/btest
+++ b/aux/btest
@@ -1 +1 @@
-Subproject commit 1beef5bdfceabb777fd249de646424ed2e8a0d6e
+Subproject commit 2c47f028b5bf2f9477d0b42cd7fb96277adb1f85