diff --git a/core/ContextBase.cpp b/core/ContextBase.cpp
index 565f70c2..849a7d3a 100644
--- a/core/ContextBase.cpp
+++ b/core/ContextBase.cpp
@@ -96,7 +96,7 @@ void ContextBase::readConfig()
    mGps_conf.NMEA_PROVIDER = 0;
    mGps_conf.GPS_LOCK = 0;
    mGps_conf.SUPL_VER = 0x10000;
-   mGps_conf.SUPL_MODE = 0x3;
+   mGps_conf.SUPL_MODE = 0x1;
    mGps_conf.SUPL_ES = 0;
    mGps_conf.CAPABILITIES = 0x7;
    /* LTE Positioning Profile configuration is disable by default*/