diff --git a/viperserver b/viperserver
index c45bfd4c7..3e9347219 160000
--- a/viperserver
+++ b/viperserver
@@ -1 +1 @@
-Subproject commit c45bfd4c7ce75e7321249461ade16c0d0355b64d
+Subproject commit 3e9347219c323948c57ab627adbfe22ff490e1f5