diff --git a/tai_mux/oopt-tai b/tai_mux/oopt-tai
index 5bea26d..a4e6d90 160000
--- a/tai_mux/oopt-tai
+++ b/tai_mux/oopt-tai
@@ -1 +1 @@
-Subproject commit 5bea26d46b0191fd1a09e7f8a6ae17e6857f16cc
+Subproject commit a4e6d90f77adabd9476da1cdbc62eb030499301a