diff --git a/ext/rusefi b/ext/rusefi
index 8d3b070..6394773 160000
--- a/ext/rusefi
+++ b/ext/rusefi
@@ -1 +1 @@
-Subproject commit 8d3b070818d436fcf8e1868ca35abef4721ebfba
+Subproject commit 63947733d943622a5c10d065a6b9d392052b12c4