diff --git a/qglengine b/qglengine
index 973ee2a..664c2a2 160000
--- a/qglengine
+++ b/qglengine
@@ -1 +1 @@
-Subproject commit 973ee2aa04648035730dfff710939a0a371d4bee
+Subproject commit 664c2a2199d686815e3d58e9a2fe5cbda444aa54