diff --git a/libvncserver b/libvncserver
index 784cccbb..acac7796 160000
--- a/libvncserver
+++ b/libvncserver
@@ -1 +1 @@
-Subproject commit 784cccbb724517ee4e36d9938f93b9ee168a29e7
+Subproject commit acac77968d6ea9a8f09d7b758fe1bffac31da7eb