diff --git a/submodules/bctoolbox b/submodules/bctoolbox
index 5ebaec1ef..b12a93978 160000
--- a/submodules/bctoolbox
+++ b/submodules/bctoolbox
@@ -1 +1 @@
-Subproject commit 5ebaec1ef8a4819879e1c4ea2bcdf0f0da6b87fe
+Subproject commit b12a939784465ca94e58448e9095f59ead39fa7e