diff --git a/viperserver b/viperserver
index e36d0d393..397b43eeb 160000
--- a/viperserver
+++ b/viperserver
@@ -1 +1 @@
-Subproject commit e36d0d39315f75dfdd53ab879f3e4fe755e6cd58
+Subproject commit 397b43eeb24f99c05811987f54da736dd8acaa66