diff --git a/gps.xml.b3 b/gps.xml.b3
index 99e3b58..d8f3fdf 100644
--- a/gps.xml.b3
+++ b/gps.xml.b3
@@ -84,6 +84,7 @@
        EnableOnChipStopNotification="2"
        PowerMode="3"
        MinGpsWeekNumber="2216"
+       OnChipAccMask="50"
   />
 
   <gll_features
diff --git a/gps_user.xml.b3 b/gps_user.xml.b3
index f105fa1..5dc8bb7 100644
--- a/gps_user.xml.b3
+++ b/gps_user.xml.b3
@@ -83,6 +83,7 @@
        EnableOnChipStopNotification="false"
        PowerMode="3"
        MinGpsWeekNumber="2216"
+       OnChipAccMask="50"
   />
 
   <gll_features