diff --git a/src/module_vm4ms b/src/module_vm4ms
index a8bc19f991c5dd72d8f75244f3caea4ad72c8cfd..21c97740c9dd1527df5e1658cf03c9654b9851ac 160000
--- a/src/module_vm4ms
+++ b/src/module_vm4ms
@@ -1 +1 @@
-Subproject commit a8bc19f991c5dd72d8f75244f3caea4ad72c8cfd
+Subproject commit 21c97740c9dd1527df5e1658cf03c9654b9851ac