diff --git a/sorc/ufs_model.fd b/sorc/ufs_model.fd
index f86f29d906..831a51fef8 160000
--- a/sorc/ufs_model.fd
+++ b/sorc/ufs_model.fd
@@ -1 +1 @@
-Subproject commit f86f29d90677851ca9f1c53ef43fef61d0c6d91f
+Subproject commit 831a51fef8fca7526ce09eb2f78f0f75631b5f0b