diff --git a/SIBR_viewers b/SIBR_viewers
index c6d3b76..440bd4c 160000
--- a/SIBR_viewers
+++ b/SIBR_viewers
@@ -1 +1 @@
-Subproject commit c6d3b76be40e5b072f70146b6ac15a727c1272a4
+Subproject commit 440bd4c75b2029d0d5f60f6c5859a273e7ae651b