diff --git a/simgear b/simgear
index 840780d..6d26462 160000
--- a/simgear
+++ b/simgear
@@ -1 +1 @@
-Subproject commit 840780dc4acf8afd08f648b1e3d83c2294bb081b
+Subproject commit 6d2646239e70d46e993d08492da43c4583c4e519