diff --git a/libraries/helpers/mag_cal b/libraries/helpers/mag_cal
index 9b242ed..a3391af 160000
--- a/libraries/helpers/mag_cal
+++ b/libraries/helpers/mag_cal
@@ -1 +1 @@
-Subproject commit 9b242ed4b6cfb8bf4a430472db7d71783ea4bdd7
+Subproject commit a3391af2831ba4cb2507abf74f90dd69e33ff50a