diff --git a/src/GPS/GPSProvider.cc b/src/GPS/GPSProvider.cc
index af65eed931d7ccc3236a96ef178eaaf0f046b7db..7f8433efdcc90463b5f7e25ac30fdc8c7f004d75 100644
--- a/src/GPS/GPSProvider.cc
+++ b/src/GPS/GPSProvider.cc
@@ -88,7 +88,7 @@ void GPSProvider::run()
         gpsDriver->setSurveyInSpecs(_surveyInAccMeters * 10000.0f, _surveryInDurationSecs);
 
         if (_useFixedBaseLoction) {
-            gpsDriver->setBasePosition(_fixedBaseLatitude, _fixedBaseLongitude, _fixedBaseAltitudeMeters * 10000.0f, _fixedBaseAccuracyMeters * 10000.0f);
+            gpsDriver->setBasePosition(_fixedBaseLatitude, _fixedBaseLongitude, _fixedBaseAltitudeMeters, _fixedBaseAccuracyMeters * 1000.0f);
         }
 
         if (gpsDriver->configure(baudrate, GPSDriverUBX::OutputMode::RTCM) == 0) {