diff --git a/gps.xml.b3 b/gps.xml.b3
index 11c0734..777f50a 100644
--- a/gps.xml.b3
+++ b/gps.xml.b3
@@ -99,6 +99,7 @@
        EnableQzsAutoSwitch="false"
        EnableGloAutoSwitch="false"
        EnableNicAutoSwitch="true"
+       ConstellationAutoSwitchOffNavOnly="true"
   />
 
 </glgps>
diff --git a/gps_user.xml.b3 b/gps_user.xml.b3
index d677aef..7b4ce7a 100644
--- a/gps_user.xml.b3
+++ b/gps_user.xml.b3
@@ -97,6 +97,7 @@
        EnableQzsAutoSwitch="false"
        EnableGloAutoSwitch="false"
        EnableNicAutoSwitch="true"
+       ConstellationAutoSwitchOffNavOnly="true"
   />
 
 </glgps>