diff --git a/simgear b/simgear
index 968732b..e973ff3 160000
--- a/simgear
+++ b/simgear
@@ -1 +1 @@
-Subproject commit 968732bf2d711e4be5627cb21c0fb03f8013bd2b
+Subproject commit e973ff3cec8572db4767e87cbd04907c13f1c13b