diff --git a/SIBR_viewers b/SIBR_viewers
index 842374b..c6d3b76 160000
--- a/SIBR_viewers
+++ b/SIBR_viewers
@@ -1 +1 @@
-Subproject commit 842374b442652e8d1786175f8ce5a3fafa223cab
+Subproject commit c6d3b76be40e5b072f70146b6ac15a727c1272a4