diff --git a/ext/rusefi b/ext/rusefi
index 11c8b46..647f940 160000
--- a/ext/rusefi
+++ b/ext/rusefi
@@ -1 +1 @@
-Subproject commit 11c8b4641fec24d95d6d63b714e92c0e3ad43efe
+Subproject commit 647f9406823a0576924f15e80b751868812219ab